You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? It impacts luminous efficiency.
user
O=C1c2ccccc2C(=O)c2cc(-c3c4c5ccccc5n(-c5ccccc5)c4c(-c4ccc5c(c4)C(=O)c4ccccc4C5=O)c4c5ccccc5n(-c5ccccc5)c34)ccc21
assistant