Using CC(=O)S[C@H]1CO[C@@H](C(=O)N2CCN(C(=O)OCc3ccccc3)CC2)C1 to produce O=C(OCc1ccccc1)N1CCN(C(=O)[C@H]2C[C@@H](S)CO2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.