This chooses the room admins instead of having if ($nick isop #) or if ($nick == example) just put if (%admins. [ $+ [ $nick ] ]) and its more accurate
on 1:TEXT:!choose*:#:{ if ($nick isop #) {
set %admins. [ $+ [ $2 ] ] } {
msg $chan $2 is now a # -admin }
}