Using COc1ccc(CNc2cc(Nc3cnc(C#N)cn3)ncc2[N+](=O)[O-])cc1 to produce COc1ccc(CNc2cc(Nc3cnc(C#N)cn3)ncc2N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.