Using [O-][I+3]([O-])([O-])[O-], CC1(C)CSCC(C)(C)c2[nH]c(-c3ccccc3)nc21 to produce CC1(C)CS(=O)CC(C)(C)c2[nH]c(-c3ccccc3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.