Using NC(=O)N[N+](=O)[O-], COc1ccc(-n2nc(N3CCNCC3)c3ccccc32)cc1 to produce COc1ccc(-n2nc(N3CCN(C(N)=O)CC3)c3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.