Using O=[N+]([O-])c1ccc(Cl)nc1, COc1ccc(N2CCNCC2)cc1 to produce COc1ccc(N2CCN(c3ccc([N+](=O)[O-])cn3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.