Using COc1cc(N2CCN(C(=O)CCl)CC2)ccc1Cl, O=C1NCCN1 to produce COc1cc(N2CCN(C(=O)CN3CCNC3=O)CC2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.