You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a organic electroluminescent device and belongs to both the electroluminescent and high luminous efficiency classes of molecules.
user
CC1(C)c2ccccc2-c2ccc(NCc3ccccc3C(=O)O)cc21
assistant