Using O=Cc1nc(Br)ccc1Cl, OB(O)c1ccc(C(F)(F)F)nc1 to produce O=Cc1nc(-c2ccc(C(F)(F)F)nc2)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.