Using COC(=O)[C@H](CNC(=O)c1ccc(O)cc1)N1CCN(S(C)(=O)=O)CC1, O=C([O-])[O-] to produce COC(=O)[C@H](CNC(=O)c1ccc(OC)cc1)N1CCN(S(C)(=O)=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.