Using COC(=O)C(C(=O)OC)[C@@H](C[N+](=O)[O-])c1ccc(Cl)cc1 to produce COC(=O)[C@@H]1C(=O)NC[C@H]1c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.