Using COC(=O)c1cc(-n2ccccc2=O)ccc1-n1cnc(CN=[N+]=[N-])c1 to produce COC(=O)c1cc(-n2ccccc2=O)ccc1-n1cnc(CN)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.