Using CCOC(C)=O, C[C@H]1CCN(C(=O)OC(C)(C)C)S(=O)O1 to produce C[C@H]1CCN(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.