You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? It has an effect on luminous efficiency.
user
c1ccc(-c2ccc3cc(-c4cccc(-c5nc(-c6ccccc6)nc(-c6cc(-c7ccccc7)c7ccccc7c6)n5)c4)ccc3c2)cc1
assistant