Using COC(=O)CCC(OC(=O)Oc1ccccc1)C(=O)c1ccc(Cl)cc1, [NH4+] to produce COC(=O)CCc1oc(=O)[nH]c1-c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.