Using COc1ccc([N+](=O)[O-])cc1Br, O=C([O-])C(F)(F)C(F)(F)F to produce COc1ccc([N+](=O)[O-])cc1C(F)(F)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.