Try this "$text" identifier by qwerty
Code:
alias text var %a | !.echo -q $regsub($right($rawmsg,- $+ $pos($rawmsg,:,2)),/(?<= |^)(?= )/g,,%a) | return %a
on *:notice:*:*:{
  if ($nick == ChanServ) {
    window -e @channie
    aline @channie $text
    halt
  }
}