Using Cc1c(N)cc(Oc2ccc(F)cc2F)cc1Br, CC(C)CCO[N+](=O)[O-] to produce Fc1ccc(Oc2cc(Br)c3cn[nH]c3c2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.