Using CC(Br)c1cccc([N+](=O)[O-])c1, O=c1[nH]c2cc(F)c(F)cc2o1 to produce CC(c1cccc([N+](=O)[O-])c1)n1c(=O)oc2cc(F)c(F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.