You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the light-emitting class of molecules.
user
c1ccc(-n2c3ccccc3c3cc(-c4ccc(Nc5cc6oc7ccccc7c6c6ccccc56)cc4)ccc32)cc1
assistant