Using CN1CCNCC1, O=C1CCC(C(=O)NCc2nccnc2Cl)CC1 to produce CN1CCN([C@H]2CC[C@H](C(=O)NCc3nccnc3Cl)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.