Using [O-][I+3]([O-])([O-])[O-], COC(=O)[C@H](CCSC)NC(=O)OCc1ccccc1 to produce COC(=O)[C@H](CCS(C)=O)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.