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 a member of the electroluminescent class and affects electron-transporting.
user
c1ccc(-c2nc3ccccc3n2-c2ccc(-c3c4ccccc4c(-c4cccnc4)c4ccccc34)cc2)cc1
assistant