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
Cc1c(N2C(=O)c3ccccc3C2=O)cc(-c2ccc(-c3ccc4c(c3)ncn4-c3ccccc3)cc2)cc1N1C(=O)c2ccccc2C1=O
assistant