You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? It belongs to the light-emitting class of molecules.
user
C1=C(c2cccc3ccccc23)C2Sc3c(-c4cccc(-c5cccc(-c6cccc(-c7cnc8c9ccccc9c9ccccc9c8n7)c6)c5)c4)cccc3C2CC1
assistant