Using Cc1ccc(N)nc1, O=C(CBr)c1ccc(C(F)(F)F)cc1 to produce Cc1ccc2nc(-c3ccc(C(F)(F)F)cc3)cn2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.