You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It has an effect on improved luminous efficiency.
user
c1ccc(-c2ccc(-c3cc(-c4ccc(-c5ccccc5)cc4)nc(-n4c5ccccc5c5cc6c(cc54)c4ccccc4c4nc5ccccc5n64)c3)cc2)cc1
assistant