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 electroluminescent molecule has an effect on organic electroluminescence.
user
c1ccc(-c2c3ccccc3c(-c3cccc(-c4ccc5[nH]c6c7ccccc7c7ccccc7c6c5c4)c3)c3ccccc23)cc1
assistant