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 compound and is electroluminescent.
user
Cc1cc(C)cc(-c2c3cc(N4c5ccccc5C(C)(C)c5ccccc54)ccc3c(-c3cccc4ccccc34)c3cc(N4c5ccccc5C(C)(C)c5ccccc54)ccc23)c1
assistant