You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It impacts luminous efficiency.
user
c1ccc(-c2nc(-c3ccccc3)nc(-n3c4ccccc4c4c5ccccc5c5c6ccc7ccccc7c6sc5c43)n2)cc1
assistant