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 effects on both improved luminous efficiency and improved driving voltage.
user
c1ccc(-c2cc(-c3nc4ccc5c6ccccc6oc5c4c4ccccc34)cc(-c3ccccc3)n2)cc1
assistant