Using COC(=O)[C@H](Cc1ccc(-c2ccccc2OC)cc1)NC(=O)c1c(Cl)cccc1Cl to produce COC(=O)[C@H](Cc1ccc(-c2ccccc2O)cc1)NC(=O)c1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.