You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the electroluminescent class of molecules.
user
CC1(C)c2ccccc2N(c2ccc3c(-c4ccccc4)ncnc3c2)c2ccccc21
assistant