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 that fulfills the requirement: The molecule is a organic electroluminescent device and is electroluminescent.
user
CC(C)(C)c1ccc(-c2ccc3c(c2)c2cc(-c4ccc(C(C)(C)C)cc4)ccc2n3-c2cccc(Cl)c2S(C)(C)C)cc1
assistant