You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is phosphorescent.
user
c1ccc(-n2c3ccccc3c3ccc4c(c5ccccc5n4-c4ccc5c(c4)c4ccccc4n5-c4ccccc4-c4ccccc4-n4c5ccccc5c5ccccc54)c32)cc1
assistant