Using O=C(O)Cc1c(Cl)cncc1Cl, COc1cccc(C(CN)CC(C)C)c1 to produce COc1cccc(C(CNC(=O)Cc2c(Cl)cncc2Cl)CC(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.