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: It belongs to the electroluminescent class of molecules.
user
Brc1cc2c3c(cccc3c1)C21c2cccc3cccc1c23
assistant