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 a light-emitting member of the organic light-emitting class.
user
c1cc(-c2ccncc2)cc(-c2cccc(-c3nc(-c4cccc(-c5cccc(-c6ccncc6)c5)c4)nc(-c4cccc(-c5cccc(-c6ccncc6)c5)c4)n3)c2)c1
assistant