Using CCc1c(Nc2ccc(CC(=O)OC)cc2)cc(-c2cccc(Cl)c2)nc1C to produce CCc1c(Nc2ccc(CC(=O)O)cc2)cc(-c2cccc(Cl)c2)nc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.