Using O=Cc1ccc(O)cc1, Cc1cc2c(cc1C(C)O)C(C)(C)CCC2(C)C to produce Cc1cc2c(cc1C(C)Oc1ccc(C=O)cc1)C(C)(C)CCC2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.