Using C=O, CC(C)(C)CC(C)(C)c1ccc(O)c(C(C)(C)CC(C)(C)C)c1 to produce CC(C)(C)CC(C)(C)c1cc(C=O)c(O)c(C(C)(C)CC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.