Using C[C@@H](CS(=O)(=O)N1CCN(C(=O)OC(C)(C)C)CC1)C(=O)OCc1ccccc1 to produce C[C@@H](CS(=O)(=O)N1CCN(C(=O)OC(C)(C)C)CC1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.