Molotov and Mine in Minecraft Vanilla w/one command block[

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-1 ~8 ~1 ~1 stained_hardened_clay 6 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-1 ~8 ~ ~1 stained_glass 3 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:"tellraw @a {\"text\":\"Molotov and Mine made by Flaako nb\",\"bold\":true,\"color\":\"dark_red\"}"},{id:MinecartCommandBlock,Command:"title @a times 20 100 20"},{id:MinecartCommandBlock,Command:"title @a subtitle {\"text\":\"made by Flaako nb\"}"},{id:MinecartCommandBlock,Command:"title @a title {\"text\":\"Molotov and Mine\",\"bold\":true,\"color\":\"dark_green\"}"},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text2:"{\\\"text\\\":\\\"Destroy\\\",\\\"color\\\":\\\"dark_red\\\"}",Text3:"{\\\"text\\\":\\\"Machine\\\",\\\"color\\\":\\\"dark_red\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-1 ~7 ~3 ~1 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text2:"{\\\"text\\\":\\\"Made by\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"bold\\\":true}",Text3:"{\\\"text\\\":\\\"Flaako nb\\\",\\\"color\\\":\\\"dark_red\\\",\\\"bold\\\":true}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~ ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"--------------------\\\",\\\"color\\\":\\\"black\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/give @p tnt 10 0 {blast:1b,display:{Name:\\\\\\\"Mine\\\\\\\"},ench:[{id:0,lvl:1}]}\\\"}}",Text2:"{\\\"text\\\":\\\"[Get Items]\\\",\\\"color\\\":\\\"dark_green\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/give @p fire_charge 10 0 {blast:1b,display:{Name:\\\\\\\"Molotov\\\\\\\"}}\\\"},\\\"bold\\\":true}",Text3:"{\\\"text\\\":\\\"-------------------\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~ ~ chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=tntMain] ~ ~ ~ detect ~ ~1 ~ air -1 /kill @e[tag=tntMain,c=1]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~ ~ chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=!tntMain] ~ ~-3 ~ /execute @e[tag=tntMain,r=1] ~ ~ ~ /kill @e[tag=tntMain,c=1]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~ chain_command_block 1 replace {auto:1,Command:"/execute @e[tag=!tntMain] ~ ~-3 ~ /execute @e[tag=tntMain,r=1] ~ ~ ~ /summon Creeper ~ ~3 ~ {Fuse:0}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~ chain_command_block 4 replace {auto:1,Command:"/kill @e[tag=tntLeash]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~ chain_command_block 4 replace {auto:1,Command:"/kill @e[tag=tntMine]"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=tntLeash] ~ ~ ~ /summon ArmorStand ~ ~-2.25 ~ {Tags:[\\\"tntMain\\\"],Invulnerable:1,Invisible:1,NoGravity:1,ArmorItems:[{},{},{},{id:tnt,Count:1}]}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=tntMine] ~ ~ ~ /summon LeashKnot ~ ~ ~ {Tags:[\\\"tntLeash\\\"]}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 1 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add tntMine {Item:{tag:{blast:1b}},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/kill @e[tag=fireCharge]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=fireCharge] ~ ~ ~ /entitydata @e[r=5] {Fire:100s}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=fireCharge] ~ ~ ~ /particle flame ~ ~ ~ 2 0.5 2 0.001 500 force"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add fireCharge {Item:{id:\\\"minecraft:fire_charge\\\"},OnGround:1b}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}