Using Cc1ccc(S(=O)(=O)OCC2CCN(C(=O)OC(C)(C)C)CC2)cc1, COC(=O)c1ccc(O)cc1 to produce COC(=O)c1ccc(OCC2CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.