Using O=C(NCC1(O)CCCCCC1)c1c(Cl)ccc2nc(Cl)ccc12, N[C@H]1CCNC1 to produce N[C@H]1CCN(c2ccc3c(C(=O)NCC4(O)CCCCCC4)c(Cl)ccc3n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.