You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is light-emitting.
user
c1ccc(-c2nc(-c3ccccc3)nc(-c3ccc(-c4nc(-c5ccccc5)c5c(n4)-c4ccccc4C5(c4ccccc4)c4ccccc4)cc3)n2)cc1
assistant