You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to the phosphorescent class of molecules.
user
Cc1c(C)c(C)c(N2c3c(C#N)cc(C#N)cc3N(C)C2C)c(C)c1C
assistant