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): It belongs to the phosphorescent class of molecules.
user
FC(F)(F)c1ccc(-c2cc(-c3ccc(-c4ccccc4)cc3)c3ccc4c(-c5ccc(-c6ccccc6)cc5)cc(-c5ccc(C(F)(F)F)cc5)nc4c3n2)cc1
assistant