Minecraft Ghosts 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 ~-1 ~-3 ~-2 ~2 ~-1 ~-8 concrete 0 hollow"},{id:commandblock_minecart,Command:"fill ~-1 ~-2 ~-2 ~2 ~-2 ~-8 stained_glass 0 0 concrete"},{id:commandblock_minecart,Command:" scoreboard objectives add testitem dummy"},{id:commandblock_minecart,Command:" give @p spawn_egg 1 65 {display:{Name:\"Spawn-Ghost\",Lore:[\"by The Creative Simon\"]},EntityTag:{id:\"minecraft:bat\"}}"},{id:commandblock_minecart,Command:" give @p concrete 1 14 {display:{Name:\"Kill-Ghosts\",Lore:[\"by The Creative Simon\"]},HideFlags:1,ench:[{id:34,lvl:1}]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a [\"\",{\"text\":\"Check out my \"},{\"text\":\"YT-Channel \",\"color\":\"dark_red\"},{\"text\":\"right -> \",\"color\":\"none\"},{\"text\":\"HERE\",\"color\":\"green\",\"bold\":true,\"underlined\":true,\"clickEvent\":{\"action\":\"open_url\",\"value\":\"https://www.YouTube.com/TheCreativeSimon\"}}]"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},{id:commandblock_minecart,Command:" tellraw @a {\"text\":[\"\"]}"},
{id:commandblock_minecart,Command:"setblock ~1 ~-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 ~-2 ~-1 ~-7 ~2 ~2 ~ air\\\"}}\"}"},{id:commandblock_minecart,Command:"setblock ~ ~-2 ~-1 wall_sign 3 0 {Text1:\"{\\\"text\\\":\\\"\\\"}\",Text2:\"{\\\"text\\\":\\\"Ghosts\\\",\\\"color\\\":\\\"dark_blue\\\",\\\"italic\\\":true}\",Text3:\"{\\\"text\\\":\\\"by TCSimon\\\",\\\"color\\\":\\\"dark_red\\\"}\",Text4:\"{\\\"text\\\":\\\"\\\"}\"}"},{id:commandblock_minecart,Command:"fill ~ ~-2 ~-7 ~1 ~-2 ~-3 chain_command_block 2"},{id:commandblock_minecart,Command:"setblock ~1 ~-2 ~-7 chain_command_block 3"},{id:commandblock_minecart,Command:"setblock ~ ~-2 ~-7 chain_command_block 5"},{id:commandblock_minecart,Command:"setblock ~ ~-2 ~-3 repeating_command_block 2"},{id:commandblock_minecart,Command:"blockdata ~1 ~-2 ~-7 {auto:1,Command:\"
 @e[type=Item,score_testitem_min=1]\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-7 {auto:1,Command:\"execute @e[type=Item,score_testitem_min=1] ~ ~ ~  give @p concrete 1 14 {display:{Name:\\\"Kill-Ghosts\\\",Lore:[\\\"by The Creative Simon\\\"]},HideFlags:1,ench:[{id:34,lvl:1}]}\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-6 {auto:1,Command:\"execute @e[type=Item,score_testitem_min=1] ~ ~ ~  kill @e[tag=ghost,r=10]\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-5 {auto:1,Command:\"scoreboard players set @e[type=Item] testitem 1 {Item:{id:\\\"minecraft:concrete\\\",Damage:14s,tag:{display:{Name:\\\"Kill-Ghosts\\\"}}}} \"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-4 {auto:1,Command:\"kill @e[type=bat,name=Spawn-Ghost]\"}"},{id:commandblock_minecart,Command:"blockdata ~ ~-2 ~-3 {auto:1,Command:\"execute @e[type=bat,name=Spawn-Ghost] ~ ~ ~ summon bat ~ ~ ~ {Tags:[\\\"ghost\\\"],PersistenceRequired:1,Silent:1,ActiveEffects:[{Id:14,Amplifier:0,Duration:19999980,ShowParticles:0b}],Passengers:[{id:\\\"zombie\\\",Tags:[\\\"ghost\\\"],IsVillager:0,IsBaby:1,ArmorItems:[{},{},{},{id:\\\"minecraft:skull\\\",Damage:3,Count:1b,tag:{SkullOwner:{Id:\\\"d2e23d57-a642-498c-a854-b4407853922e\\\",Properties:{textures:[{Value:\\\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYmEzMDdlZmQzZTU3ZmI3ZjEyYzg3ZGNjNDc2OTE5NTIyZDM3NDkzZjVlZWNlNTExOGE3Y2MwOTFiODQ4YzMifX19\\\"}]}}}}],ArmorDropChances:[0.085F,0.085F,0.085F,0.0F],PersistenceRequired:1,Silent:1,ActiveEffects:[{Id:14,Amplifier:0,Duration:19999980,ShowParticles:0b}]}]}\"}"},{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]"}]}]}]}