Using COC(=O)c1ccc(C(CC(=O)c2ccc(OC)nc2)c2ccccc2Cl)cc1F to produce COC(=O)c1ccc(C(CC(=O)c2ccc(=O)[nH]c2)c2ccccc2Cl)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.