Using CN(C)C=O, O=C(O)c1c([N+](=O)[O-])ccc(F)c1Br to produce NC(=O)c1c([N+](=O)[O-])ccc(F)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.