Using CCCCOC(=O)CCC(=O)N[C@@H](CC(=O)OCc1ccccc1)Cc1ccc(-c2cccc(Cl)c2)cc1 to produce CCCCOC(=O)CCC(=O)N[C@@H](CC(=O)O)Cc1ccc(-c2cccc(Cl)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.