You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a fluorescent member of the phosphorescent class.
user
CC1(C)c2ccccc2Oc2c1c1ccccc1c1c3ccccc3n(-c3nc(-c4ccc(-c5ccccc5)cc4)c4c(ccc5ccccc54)n3)c21
assistant