Using COC(=O)c1ccccc1S(=O)(=O)N1CCC[C@H]1C(=O)N[C@@H](Cc1ccccc1)C(=O)O to produce O=C(O)c1ccccc1S(=O)(=O)N1CCC[C@H]1C(=O)N[C@@H](Cc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.