You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a organic light-emitting diode.
user
C1=CC2=CCC(n3c4c(c5cc6ccc(-n7c8c(c9c%10ccccc%10ccc97)CCCC8)cc6cc53)C=CCC4)C(C3=NC(c4cccc(-c5ccccc5)c4)NC(c4ccccc4)N3)=C2CC1
assistant