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 device and is classified both as a high luminous efficiency and electroluminescent, with an impact on luminous efficiency.
user
Clc1ccccc1Nc1cc2c3ccccc3oc2c2c1sc1ccccc12
assistant