Using CC1(C)OC(=O)C(Cc2ccc([N+](=O)[O-])cc2)(Cc2ccc([N+](=O)[O-])cc2)C(=O)O1 to produce O=C(O)C(Cc1ccc([N+](=O)[O-])cc1)(Cc1ccc([N+](=O)[O-])cc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.