Using O=C(NCc1ccco1)c1cc([N+](=O)[O-])ccc1Oc1cncc(Cl)c1 to produce Nc1ccc(Oc2cncc(Cl)c2)c(C(=O)NCc2ccco2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.