You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a organic electroluminescent element and is electroluminescent.
user
CC1(C)c2cc(-c3ccccc3)ccc2-c2ccc(N(c3ccc(-c4ccc5c6c(cccc46)-c4ccccc4-5)cc3)c3ccc4c(c3)C(C)(C)c3cc(-c5ccc6sc7ccccc7c6c5)ccc3-4)cc21
assistant