Using Nc1cc([N+](=O)[O-])ccc1-c1ccc([N+](=O)[O-])cc1, O=C(Cl)c1ccccc1 to produce O=C(N=C1CC([N+](=O)[O-])=CC=C1c1ccc([N+](=O)[O-])cc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.