You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It has an effect on luminous efficiency. Use the above information to create a molecule.
user
C1=CCC(c2ccc(N(c3ccccc3)c3ccc(-c4cc5ccccc5c5ccccc45)c(-c4ccccc4)c3)cc2)C=C1
assistant