Using Cc1cc(N)n[nH]1, CSc1nc(C(F)(F)c2ccc(F)cn2)nc2cc(Br)ccc12 to produce Cc1cc(Nc2nc(C(F)(F)c3ccc(F)cn3)nc3cc(Br)ccc23)n[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.