Using Nc1ccccc1Cl, NC(=O)c1cc[n+](-c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1 to produce NC(=O)c1cc[n+](-c2ccccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.