Using CCCCC(=O)Oc1ccc([N+](=O)[O-])cc1CC(=O)c1ccc(OC)cc1 to produce CCCCc1oc2ccc([N+](=O)[O-])cc2c1C(=O)c1ccc(O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.