Using Cc1ccc(Cl)c(NC(OC(=O)c2ccccc2)C(=O)OCc2ccccc2)c1Cl to produce Cc1ccc(Cl)c(NC(OC(=O)c2ccccc2)C(=O)O)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.