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(-c2cccc(-c3nc(-c4ccccc4)nc(-c4ccc(-n5c6ccccc6c6ccc7oc8ccccc8c7c65)c5c4oc4ccccc45)n3)c2)cc1
assistant