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 electroluminescent.
user
CCc1nc2ccccc2n1-c1ccc(-c2c3ccccc3c(-c3ccc(-c4ccccc4)cc3)c3ccc(-c4ccccc4)cc23)cc1
assistant