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: The molecule is light-emitting and optoelectronic.
user
CC(C)(C)c1ccc2c(c1)c1cc(C(C)(C)C)ccc1n2-c1c(-c2ccccc2C(F)(F)F)cc(-c2nc(-c3ccccc3)cc(-c3ccccc3)n2)cc1-c1ccccc1C(F)(F)F
assistant