You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a organic light-emitting device.
user
CC1(C)c2ccccc2-c2c1ccc1c2Oc2ccc(-c3cccc(-c4nc(-c5ccccc5)nc(-c5ccccc5-c5ccccc5)n4)c3)cc2O1
assistant