Using Cc1c(Cl)sc2[nH]c(=O)c(-c3cccc(Oc4cccc([N+](=O)[O-])c4)c3)c(O)c12 to produce Cc1c(Cl)sc2[nH]c(=O)c(-c3cccc(Oc4cccc(N)c4)c3)c(O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.