Using OB(O)c1ccccc1Cl, Nc1c([N+](=O)[O-])cc(Br)cc1C(F)(F)F to produce Nc1c([N+](=O)[O-])cc(-c2ccccc2Cl)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.