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: It belongs to the organic electroluminescent compound, high luminous efficiency, and electroluminescent classes of molecules.
user
CCC1(CC)c2cc(C=Cc3ccc(-c4c(-c5ccccc5)cccc4N4CCCCC4)cc3)ccc2-c2ccc(N(c3ccccc3)c3ccccc3)cc21
assistant