Using O=C(Cl)c1cccc([N+](=O)[O-])c1, c1ccc2[nH]ccc2c1 to produce O=C(c1cccc([N+](=O)[O-])c1)c1c[nH]c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.