Using CC(C)CC(=O)[C@H]1CCN(C(=O)OC(C)(C)C)C1 to produce CC(C)CC(O)[C@H]1CCN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.