Using CC(C)(C)[S@@](=O)N[C@H](CNS(=O)(=O)c1ccccc1[N+](=O)[O-])c1cc(F)cc(Br)c1 to produce N[C@H](CNS(=O)(=O)c1ccccc1[N+](=O)[O-])c1cc(F)cc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.