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 a phosphorescent and belongs to the fluorescent class of molecules.
user
CCn1c2ccccc2c2cc3c4ccc(N(c5ccc(-c6ccccc6)cc5)c5ccc6ccccc6c5)cc4c4ccccc4c3cc21
assistant