You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is phosphorescent. Please represent the molecule in SMILES.
user
C1=CCc2c(n(-c3ccc(N(c4ccc(-n5c6ccccc6c6ccccc65)cc4)c4ccc(-n5c6ccccc6c6ccccc65)cc4)cc3)c3ccccc23)C=C1
assistant