Using COC(=O)[C@@H](Cc1c[nH]c2ccccc12)NS(=O)(=O)c1ccc(OC)cc1 to produce COc1ccc(S(=O)(=O)N[C@H](Cc2c[nH]c3ccccc23)C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.