Using COc1cnccc1N1CCNCC1, O=[N+]([O-])c1ccc2[nH]cc(CCCI)c2c1 to produce COc1cnccc1N1CCN(CCCc2c[nH]c3ccc([N+](=O)[O-])cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.