Using COC(=O)[C@@H]1CCC(=O)N1Cc1ccc([N+](=O)[O-])cc1 to produce O=C(O)[C@@H]1CCC(=O)N1Cc1ccc([N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.