Using ClC(c1ccccc1)(c1ccccc1)c1ccccc1, O=[N+]([O-])c1c[nH]c2ncc(Br)nc12 to produce O=[N+]([O-])c1cn(C(c2ccccc2)(c2ccccc2)c2ccccc2)c2ncc(Br)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.