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
c1cc2c3c(cccc3c1)-c1cc(-c3ccc(-n4c5ccccc5c5ncc6ccccc6c54)cc3)ccc1-2
assistant