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: It has an effect on luminous efficiency. Please represent the molecule in SMILES.
user
c1ccc2c(c1)ccc1c2sc2cccc(Nc3cccc4c3sc3ccc5ccccc5c34)c21
assistant