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: It belongs to the light-emitting class of molecules.
user
c1ccc(-c2ccc(-c3nc(-c4cccc(-c5cccc(-c6cccc(-c7ccccc7)c6)c5)c4)nc4c3sc3ccccc34)cc2)cc1
assistant