Using O=C(CN1CCNCC1)c1ccccc1, O=C(CCl)NCc1ccccn1 to produce O=C(CN1CCN(CC(=O)c2ccccc2)CC1)NCc1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.