Using [O-][I+3]([O-])([O-])[O-], Cc1cccc2c1C(=O)C(COC(=O)Nc1ccccc1)(COC(=O)Nc1ccccc1)CS2 to produce Cc1cccc2c1C(=O)C(COC(=O)Nc1ccccc1)(COC(=O)Nc1ccccc1)CS2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.