You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
It is a molecule that belongs to the high luminous efficiency, electroluminescent, and organic electroluminescent classes, and it has an effect on organic electroluminescence as well as impacts luminous efficiency. Use the above information to create a molecule.
user
c1ccc2c(c1)oc1ccc3c4cccc5c6c7c8ccccc8n8c9ccccc9c(cc6n(c45)c3c12)c78
assistant