Using C[C@H]1CCCN1[C@H]1CCNC1, O=C1N(c2cnc(Cl)nc2)CCC12CCOCC2 to produce C[C@H]1CCCN1[C@H]1CCN(c2ncc(N3CCC4(CCOCC4)C3=O)cn2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.