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: It belongs to both the phosphorescent and fluorescent classes of molecules. Please represent the molecule in SMILES.
user
c1ccc(-c2nc(-n3c4c5ccccc5sc4c4sc5ccccc5c43)nc3c4ccccc4c4ccccc4c23)nc1
assistant