You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a phosphorescent emitter and a organic electroluminescent device, as well as electroluminescent and phosphorescent.
user
CC1(C)c2ccccc2-c2c1ccc1c2c2cc3c(cc2n1-c1nc(-c2ccccc2)nc(-c2ccccc2)n1)C(C)(C)C(C)(C)C3(C)C
assistant