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 phosphorescent.
user
C=C(C=C(C=CC)c1ccc(-c2ccccc2)cc1)c1ccnc(-n2c3ccccc3c3cc(-c4ccc5c6cc(C(C)(C)C)ccc6n(-c6ccccc6)c5c4)ccc32)n1
assistant