Using O=C(Cl)c1cncnc1, O=c1[nH]c2ccccc2n1[C@H]1CC[C@H](N2CCNCC2)CC1 to produce O=C(c1cncnc1)N1CCN([C@H]2CC[C@H](n3c(=O)[nH]c4ccccc43)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.