execute if data block ~ ~ ~ Items[{Slot:0b,tag:{nucleus:{potion:{can_extend:1b}}}}] run function nucleus:block/brewing_stand/slots/0
execute if data block ~ ~ ~ Items[{Slot:1b,tag:{nucleus:{potion:{can_extend:1b}}}}] run function nucleus:block/brewing_stand/slots/1
execute if data block ~ ~ ~ Items[{Slot:2b,tag:{nucleus:{potion:{can_extend:1b}}}}] run function nucleus:block/brewing_stand/slots/2
