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: The molecule is a organic electroluminescent device and electroluminescent, with effects on luminous efficiency, electron transport, and low driving voltage.
user
CC1(C)c2ccccc2-c2ccc(-c3ccc(N(c4ccc(-c5ccc6c(c5)C(C)(C)c5ccccc5-6)c(-c5ccccc5)c4)c4cccc5ccccc45)cc3-c3ccccc3)cc21
assistant