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 electroluminescent and organic electroluminescent device classes and has effects on organic electroluminescence, electron transport, and luminous efficiency.
user
CC1(C)OB(c2cccc(-c3ccc4ccccc4c3)n2)OC1(C)C
assistant