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 device and is classified both as a light-emitting and electroluminescent, with an impact on electroluminescent device.
user
c1ccc(-c2cc(-c3ccccn3)nc(-c3ccc(-c4ccc(-c5ccc(-c6ccc7ccc8ccc(-c9ccccc9)nc8c7n6)cc5)cc4)cn3)c2)cc1
assistant