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
CC1(C)c2ccccc2N(c2ccc3c4ccccc4c4ccccc4c3c2)c2ccc(-c3ccc4c(c3)C(C)(C)c3ccccc3N4c3cccc4c3oc3ccccc34)cc21
assistant