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 high luminous efficiency class and affects electron transport.
user
c1ccc(-c2nc(-c3cc(-c4cccc5c(-c6cccnc6)cccc45)cc(-c4cc5ccccc5c5ccccc45)c3)nc3c2sc2ccccc23)cc1
assistant