Using COc1ccc(S(=O)(=O)Nc2cc(C(C)O)ccc2Cl)cc1OC to produce COc1ccc(S(=O)(=O)Nc2cc(C(C)=O)ccc2Cl)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.