Using C[C@H]1C[C@H](C(=O)O)N(C(=O)OC(C)(C)C)C1, O=C([O-])[O-] to produce COC(=O)[C@H]1C[C@H](C)CN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.