Using NNC(=O)c1ccc(OCc2ccccc2)c(Cl)c1, O=N[O-] to produce [N-]=[N+]=NC(=O)c1ccc(OCc2ccccc2)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.