You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is light-emitting.
user
c1ccc(-c2ccc(-c3ccc(N(c4ccc(-c5nc6ccccc6nc5-c5ccc(N(c6ccc(-c7ccc(-c8ccccc8)cc7)cc6)c6cc(-c7ccccc7)ccc6-c6ccccc6)cc5)cc4)c4cc(-c5ccccc5)ccc4-c4ccccc4)cc3)cc2)cc1
assistant