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: It belongs to the organic light-emitting diode class of molecules.
user
c1ccc(-c2ccc(-c3nc(-c4cccc5oc6ccc(-n7c8ccc(-c9ccccc9)cc8c8cc9ccccc9cc87)cc6c45)nc4c3oc3ccccc34)cc2)cc1
assistant