You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the light-emitting class of molecules.
user
c1ccc2cc(-c3c4ccccc4c(-c4ccc5ccccc5c4)c4cc(-n5c6ccccc6c6cc(-c7cccc8c7oc7ccccc78)ccc65)ccc34)ccc2c1
assistant