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: This molecule is a member of the high luminous efficiency class and impacts improved driving voltage, luminous efficiency, and low driving voltage.
user
CC1(C)c2cccc3c4cccc5c4c4c6c7c(c1ccc7n(-c1cccc(-c7cccc(-c8ccccc8)c7)c1)c6ccc4n5-c1ccccc1)c23
assistant