Using O=C(O)C1(c2ccc(Cl)cc2)CCC1, COc1ccc(CCN)cc1 to produce COc1ccc(CCNC(=O)C2(c3ccc(Cl)cc3)CCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.