Using COC(=O)Cc1ccc(Oc2ccc(C(=O)NCCc3ccc(Cl)cc3)cc2)c(OC)c1 to produce COc1cc(CC(=O)O)ccc1Oc1ccc(C(=O)NCCc2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.