You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is light-emitting.
user
c1ccc2c(c1)-c1c(-c3ccc(-c4nc(-c5cccc6oc7ccccc7c56)nc(-c5cccc6oc7ccccc7c56)n4)cc3)cccc1C21CCCCC1
assistant