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 organic light-emitting.
user
c1ccc(-c2ccc(N(c3ccc(-c4ccc5oc6ccc7nc(-c8ccccc8)oc7c6c5c4)cc3)c3ccc4ccccc4c3)cc2)cc1
assistant