Using COc1ccc(Cl)c(-n2nc3c(c2N)c(=O)[nH]c2cc([N+](=O)[O-])ccc23)c1 to produce COc1ccc(Cl)c(-n2nc3c(c2N)c(=O)[nH]c2cc(N)ccc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.