Using O=C(CCl)NCc1ccccc1, COc1ccc(C(=O)CN2CCNCC2)cc1 to produce COc1ccc(C(=O)CN2CCN(CC(=O)NCc3ccccc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.