Using O=C(Cl)c1cccc([N+](=O)[O-])c1, O=C1Cc2ccccc2N1 to produce O=C1Cc2cc(C(=O)c3cccc([N+](=O)[O-])c3)ccc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.