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
CC1(C)c2ccccc2-c2ccc(-c3ccc(-c4cccc(-c5cnc6c7ccccc7c7ccccc7c6n5)c4)cc3)cc21
assistant