Using COC(=O)c1ccc(C(=O)OC)c(N(Cc2ccc(Cl)cc2Cl)C(C)=O)c1 to produce CC(=O)N(Cc1ccc(Cl)cc1Cl)c1cc(C(=O)O)ccc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.