You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a organic light-emitting device and is organic light-emitting.
user
Brc1ccc(-c2nnnc(-c3ccc(Br)cc3)c2-c2ccc(Br)cc2)cc1
assistant