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: The high luminous efficiency class molecule influences low driving voltage and is phosphorescent.
user
c1ccc(-c2ccc(N(c3ccc(-c4cccc5ccccc45)cc3)c3cccc4c3-c3ccccc3C43c4ccccc4-c4ccccc43)cc2)cc1
assistant