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 based on this description: It is a molecule that belongs to both the high luminous efficiency and organic light-emitting classes and has effects on luminous efficiency, low driving voltage, and improved driving voltage.
user
CC(C)(C)c1nc(-c2ccc3ccccc3c2)c2oc3ccccc3c2n1
assistant