Using Cc1ccc(S(=O)(=O)OCCOC(C)(C)C)cc1, CC(C)(C)OC(=O)N[C@@H]1C[C@H](O)[C@H]2OC(C)(C)O[C@H]21 to produce CC(C)(C)OCCO[C@H]1C[C@@H](NC(=O)OC(C)(C)C)[C@@H]2OC(C)(C)O[C@@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.