You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a organic electroluminescent material and belongs to the phosphorescent, phosphorescent emitter, and electroluminescent classes of molecules. Please represent the molecule in SMILES.
user
CC1(C)c2ccccc2-c2cc3c4cc(-c5ccc(N(c6ccc7c(c6)c6ccccc6c6ncccc76)c6cccc7c6-c6ccccc6C7(C)C)cc5)ccc4n(-c4ccccc4)c3cc21
assistant