You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? It belongs to the light-emitting class of molecules.
user
CC1CCCc2c1n(-c1ccc(-c3ccc(-c4ccc5c(c4)c4cc(-c6ccc(-c7ccc(-n8c9ccccc9c9ccccc98)cc7)cc6)ccc4n5-c4ccccc4-c4ccccc4)cc3)cc1)c1ccccc21
assistant