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
c1ccc2c(c1)NC(c1ccc3c(c1)oc1cc(-c4cccc5ccccc45)ccc13)=NC2c1ccc2sc3ccccc3c2c1
assistant