You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is phosphorescent. Please write the SMILES representation of it.
user
Brc1ccc(-c2ccc(Br)cc2-c2ccc3c(c2)CC3)c(-c2ccc3c(c2)CC3)c1
assistant