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: It belongs to the light-emitting class of molecules.
user
c1ccc(-c2cc(-c3ccccc3)nc(-c3ccc(-c4ccc(-c5cccc6ccccc56)cc4)c4oc5cc6ccccc6cc5c34)n2)cc1
assistant