Using COc1cc(C(C)=O)c(O)cc1C(C)(C)C, COc1cc2nccc(Cl)c2cc1OC to produce COc1cc2nccc(Oc3cc(C(C)(C)C)c(OC)cc3C(C)=O)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.