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 impacts luminous efficiency.
user
c1ccc(Nc2ccc(-c3cc4ccc5cccc6ccc(c3)c4c56)c3sc4ccccc4c23)cc1
assistant