Are Discus Compatable with balloon Mollies ?

Ello :) i have a 90 gallon tank that is super healthy with 5 balloon mollies in it that i LOVE!! but i was just wondering since its very under populated if i could put discus in there too ? i have been in the hobby for awhile now and think i am ready to take on the hard wotk of discus fish,,but i am not sure if they are compatable with balloon mollies ?