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 electroluminescent and organic light-emitting.
user
c1ccc(-c2cc(-c3ccccc3)nc(-c3cccc(-c4nc5ccccc5c5c4ccc4c5c5ccccc5n4-c4ccccc4)c3)c2)cc1
assistant