Controling a movie clip on a main timeline from another loaded swf?

ok i have a main movie i load a swf file in this movie i have movie clip called trans_mc on the main movie timeline i want to tell this movie to go and play frame labeled out when the swf movie finish loading how to do this ?

i tried to put this action on the swf movie

MovieClip(parent).trans_mc.gotoAndPlay(“over”);

but it dosenot work