Using COC(=O)[C@@H]1Cc2ccc(O)cc2CN1C(=O)OC(C)(C)C, O=C([O-])[O-] to produce COC(=O)[C@@H]1Cc2ccc(OC)cc2CN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.