You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the phosphorescent class of molecules.
user
C=C(C)C1(C=CCC(C)(C)C(C)(N)C=CC)C2c3ccccc3CC2C1(CCC(C)C)CC(C)C
assistant