Using OB(O)c1ccc(C(F)(F)F)cc1, Cc1cc(Cl)nc(Cl)n1 to produce Cc1cc(-c2ccc(C(F)(F)F)cc2)nc(Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.