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 both the light-emitting and organic light-emitting device classes of molecules.
user
CC1(C)c2ccccc2-c2cc(-c3ccc(N(c4ccccc4)c4ccc5c(c4)sc4ccccc45)cc3)ccc21
assistant