Using COC(=O)c1ccc(C(=O)NCc2cc(OC)cc(OC)c2)cc1Cl to produce COC(=O)c1ccc(C(=O)NCc2cc(O)cc(O)c2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.