Using O=C1CC(c2ccc(Cl)c(Cl)c2)CC(=O)O1, CCN(CC)CC to produce COc1ccccc1CN(C)C(=O)CC(CC(=O)O)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.