Lift the bent over pin ends with a scalpel or xacto knife with a slightly blunted blade, while heating the pin/pad with the iron. Try to spring the pin away from the sides of the holes as you do so, holding it away with the blade as the pad cools. Straighten the bent pin ends with miniature flat nose smooth jaw pliers. You are now no worse off than if the IC had been inserted without bent pins. Where you go from here depends on how tight the holes are on the pins, if the pin shoulders are bonded to the top side pads by residual solder, and whether or not you need the IC intact.