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 light-emitting.
user
c1ccc(-c2cccc(-c3nc(-c4cccc(-c5cccc(-c6nc7ccccc7c7c8ccccc8c8ccccc8c67)c5)c4)nc4ccccc34)c2)cc1
assistant