You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is light-emitting.
user
c1ccc(-c2ccc(Nc3ccc(-c4ccc(-c5ccc6c7ccccc7n(-c7ccc(-c8ccccc8)cc7)c6c5)cc4)cc3)cc2)cc1
assistant