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(-c2cc3ccccc3c3c2oc2c(Nc4cccc5c4-c4ccccc4C54c5ccccc5-c5ccccc54)cccc23)cc1
assistant