You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a light-emitting member of the phosphorescent class. Please write the SMILES representation of it.
user
CC1(C)c2ccc3c4ccccc4c4ccccc4c3c2-c2ccc3c(c21)c1cc(-c2cnc4c(c2)c2ccccc2n4-c2ccccc2)ccc1n3-c1cccc(-c2ccncn2)c1
assistant