Using CN1CCNCC1, O=Cc1ccc([N+](=O)[O-])c(Cl)c1 to produce CN1CCN(Cc2ccc([N+](=O)[O-])c(Cl)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.