Using O=C(c1ccc(F)cc1)c1ccc(F)cc1, Brc1ccncc1 to produce OC(c1ccncc1)(c1ccc(F)cc1)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.