You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a organic light-emitting device and belongs to the organic light-emitting diode class of molecules.
user
CC1(C)c2cc(-c3ccc(-c4cn5ccccc5n4)cc3)ccc2-c2cc3c(-c4ccc5ccccc5c4)c4ccccc4c(-c4ccc5ccccc5c4)c3cc21
assistant