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 belongs to the high luminous efficiency class of molecules.
user
Cc1ccc(-c2ccc3c(c2)C=CC(=CC2C(O)C(c4c5ccccc5c(-c5ccccc5)c5ccccc45)C2O)N3C)cc1
assistant