Using [O-][I+3]([O-])([O-])[O-], CCCC[C@H](NC(=O)CC[C@H](C)CNC(=O)COc1ccccc1)C(=O)CSCc1ccco1 to produce CCCC[C@H](NC(=O)CC[C@H](C)CNC(=O)COc1ccccc1)C(=O)CS(=O)Cc1ccco1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.