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 organic electronic device and belongs to the light-emitting class of molecules.
user
c1ccc(-c2cccc(N(c3ccccc3)c3cccc(-c4c5ccccc5c(-c5cccc(-c6c7ccccc7c(-c7cccc(N(c8ccccc8)c8cccc(-c9ccccc9)c8)c7)c7ccccc67)c5)c5ccccc45)c3)c2)cc1
assistant