You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the light-emitting class of molecules.
user
c1ccc(C2(c3ccccc3)c3cc(-c4cnc5c6ccccc6c6ccccc6c5n4)ccc3-c3ccc(-n4c5ccccc5c5ccccc54)cc32)cc1
assistant