Using CC1CCN(C(=O)OC(C)(C)C)S(=O)O1, [O-][I+3]([O-])([O-])[O-] to produce CC1CCN(C(=O)OC(C)(C)C)S(=O)(=O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.