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 based on this description: The molecule is organic light-emitting.
user
c1ccc(-c2cccc(-c3nc(-c4ccc(-n5c6ccccc6c6cc7ccccc7cc65)c5ccccc45)nc(-c4cccc5c4sc4ccccc45)n3)c2)cc1
assistant