Using CCCCBr, O=C(c1cc([N+](=O)[O-])ccc1O)N1CCN(c2ccc(C(F)(F)F)cc2)CC1 to produce CCCCOc1ccc([N+](=O)[O-])cc1C(=O)N1CCN(c2ccc(C(F)(F)F)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.