You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a organic electroluminescent element and is electroluminescent. Please represent the molecule in SMILES.
user
Cc1ccc(-c2cccc(-c3ccc(-c4ccc5c(c4)c4ccccc4n5-c4ccccc4)cc3)c2)cc1
assistant