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
c1ccc2oc(-c3ccc(-c4cc(-c5ccc(-c6ccncc6)cc5)c5ccc6cccc7ccc4c5c67)cc3)cc2c1
assistant