Minecraft 1-Click Command Base 1.8

summon FallingSand ~ ~4 ~ {Time:1,Data:0,TileID:152,Riding:
{id:FallingSand,Time:1,Block:minecraft:command_block,TileEntityData:{Command:fill ~ ~1 ~-1 ~ ~-5 ~ air},Riding:
{id:FallingSand,Time:1,Data:0,TileID:1,Riding:
{id:FallingSand,Time:1,Data:0,TileID:152,Riding:
{id:FallingSand,Time:1,Block:minecraft:command_block,TileEntityData:{Command:kill @e[type=MinecartCommandBlock,r=4]},Riding:
{id:FallingSand,Time:1,Data:0,TileID:1,Riding:
{id:MinecartCommandBlock,Command:setblock ~ ~ ~ air,Riding:
{id:MinecartCommandBlock,Command:/kill @e[type=Item,r=4],Riding:
{id:MinecartCommandBlock,Command:/tellraw @a {"text":"Thanks to Littleman9Mew2 to make this 1-click command possible.","color":"green"},Riding:

{id:MinecartCommandBlock,Command:setblock ~ 1 ~ minecraft:command_block 0 replace {Command:!!REPLACE ME!!},Riding:

{id:MinecartCommandBlock,Command:DUMMY,Riding:
{id:FallingSand,Time:1,Data:0,TileID:157,Riding:
{id:FallingSand,Time:1,Data:0,TileID:152,Riding:
{id:Item,Age:5996,Motion:[0.0,0.0,-0.1]}}}}}}}}}}}}}}