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 fluorescent class of molecules.
user
COCC(=O)NCCCc1cn(CCCC(=O)NCc2ccc(COc3cc(Cl)nc(N)n3)cc2)nn1
assistant