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 light-emitting.
user
c1ccc(-c2cc(-c3ccc(-c4ccc5c(c4)C4(c6cc7c(cc6-5)c(-c5ccccc5)nc5ccccc57)c5ccccc5N(c5ccccc5)c5ccccc54)cc3)nc(-c3ccccc3)n2)cc1
assistant