Using FC(F)(F)c1cc(C(F)(F)F)[nH]n1, Cc1cc(CCl)ccc1[N+](=O)[O-] to produce Cc1cc(Cn2nc(C(F)(F)F)cc2C(F)(F)F)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.