Using O=C(O)c1cc([N+](=O)[O-])c(Cl)s1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NC(=O)c1cc([N+](=O)[O-])c(Cl)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.