You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a organic electroluminescent element, a electronic device, and electroluminescent.
user
CC1(C)c2cc(-c3ccc(-c4ccc(-c5ccccc5)cc4)cc3)ccc2-c2ccc(N(c3ccc(-c4ccc(-c5ccccc5)cc4)cc3)c3cc4ccccc4c4ccccc34)cc21
assistant