Minecraft TNT-Bow with Only One Command

summon falling_block ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:falling_block,Block:redstone_block,Time:1,Passengers:[{id:falling_block,Block:activator_rail,Time:1,Passengers:[{id:commandblock_minecart,Command:"gamerule commandBlockOutput false"},{id:commandblock_minecart,Command:"fill ~-2 ~-3 ~-2 ~2 ~-1 ~-8 concrete 14 hollow"},{id:commandblock_minecart,Command:"fill ~-2 ~-2 ~-2 ~2 ~-2 ~-8 stained_glass 15 0 concrete"},{id:commandblock_minecart,Command:" /scoreboard objectives add ih dummy"},{id:commandblock_minecart,Command:" /scoreboard objectives add tnta dummy"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p [\"\",{\"text\":\"Check out my \",\"clickEvent\":{\"action\":\"open_url\",\"value\":\"https://YouTube.com/TheCreativeSimon\"}},{\"text\":\"YT-Channel \",\"color\":\"dark_red\",\"clickEvent\":{\"action\":\"open_url\",\"value\":\"https://YouTube.com/TheCreativeSimon\"}},{\"text\":\"right -> \",\"clickEvent\":{\"action\":\"open_url\",\"value\":\"https://YouTube.com/TheCreativeSimon\"},\"color\":\"none\"},{\"text\":\"HERE\",\"color\":\"green\",\"bold\":true,\"underlined\":true,\"clickEvent\":{\"action\":\"open_url\",\"value\":\"https://YouTube.com/TheCreativeSimon\"},\"hoverEvent\":{\"action\":\"show_text\",\"value\":{\"text\":\"\",\"extra\":[{\"text\":\"Why don't you click on me?\",\"color\":\"aqua\"}]}}}]"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /tellraw @p {\"text\":\"\"}"},{id:commandblock_minecart,Command:" /give @p bow 1 0 {display:{Name:\"TNT-Bow\",Lore:[\"by TCSimon\"]}}"},{id:commandblock_minecart,Command:"setblock ~ ~-3 ~-1 wall_sign 3 0 {Text1:\"{\\\"text\\\":\\\"\\\"}\",Text2:\"{\\\"text\\\":\\\"TNT-Bow\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"italic\\\":true}\",Text3:\"{\\\"text\\\":\\\"by TCSimon\\\",\\\"color\\\":\\\"dark_red\\\"}\",Text4:\"{\\\"text\\\":\\\"\\\"}\"}"},{id:commandblock_minecart,Command:"setblock ~ ~-2 ~-1 wall_sign 3 0 {Text1:\"{\\\"text\\\":\\\"============\\\"}\",Text2:\"{\\\"text\\\":\\\"Click to destroy\\\"}\",Text3:\"{\\\"text\\\":\\\"this machine\\\"}\",Text4:\"{\\\"text\\\":\\\"============\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~-3 ~-1 ~-7 ~2 ~1 ~-1 air\\\"}}\"}"},{id:commandblock_minecart,Command:"fill ~-1 ~-2 ~-7 ~1 ~-2 ~-3 chain_command_block 2"},{id:commandblock_minecart,Command:"setblock ~ ~-2 ~-3 chain_command_block 5"},{id:commandblock_minecart,Command:"fill ~ ~-2 ~-7 ~ ~-2 ~-4 chain_command_block 3"},{id:commandblock_minecart,Command:"setblock ~-1 ~-2 ~-7 chain_command_block 5"},{id:commandblock_minecart,Command:"setblock ~-1 ~-2 ~-3 repeating_command_block 2"},{id:commandblock_minecart,Command:"blockdata ~1 ~-2 ~-6 {auto:1,Command:\"/kill @e[type=arrow,score_tnta_min=2]\"}"},{id:commandblock_minecart,Command:"blockdata ~1 ~-2 ~-5 {auto:1,Command:\"/execute @e[type=arrow,score_tnta_min=2] ~ ~ ~ summon tnt\"}"},{id:commandblock_minecart,Command:"blockdata ~1 ~-2 ~-4 {auto:1,Command:\"/scoreboard players set @e[type=arrow,score_tnta_min=1] tnta 2 {inGround:1b}\"}"},{id:commandblock_minecart,Command:"blockdata ~1 ~-2 ~-3 {auto:1,Command:\"/execute @a[score_ih_min=1] ~ ~ ~ scoreboard players set @e[type=arrow,r=2] tnta 1\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-3 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:8,Inventory:[{Slot:8b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-4 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:7,Inventory:[{Slot:7b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-5 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:6,Inventory:[{Slot:6b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-6 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:5,Inventory:[{Slot:5b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-7 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:4,Inventory:[{Slot:4b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~-1 ~-2 ~-7 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:3,Inventory:[{Slot:3b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~-1 ~-2 ~-6 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:2,Inventory:[{Slot:2b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~-1 ~-2 ~-5 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:1,Inventory:[{Slot:1b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~-1 ~-2 ~-4 {auto:1,Command:\"/scoreboard players set @a ih 2 {SelectedItemSlot:0,Inventory:[{Slot:0b,tag:{display:{Name:\\\"TNT-Bow\\\"}}}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~-1 ~-2 ~-3 {auto:1,Command:\"/scoreboard players set @a ih 1\"}"},{id:commandblock_minecart,Command:"setblock ~ ~ ~1 command_block 0 0 {Command:\"fill ~ ~-3 ~-1 ~ ~ ~ air\"}"},{id:commandblock_minecart,Command:"setblock ~ ~-1 ~1 redstone_block"},{id:commandblock_minecart,Command:"kill @e[type=commandblock_minecart,r=1]"}]}]}]}