You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It belongs to the organic light-emitting diode class of molecules. Use the above information to create a molecule.
user
C1=CC2C=Cc3c(c4c(n3-c3ccc5c6cc7ccccc7cc6n(-c6cccc(C7N=C(C8=Cc9ccccc9C9C=CC=CC89)NC(c8ccccc8)N7)c6)c5c3)C=CCC4)C2C=C1
assistant