Using CC(C)(C)c1ccc(Sc2ccc(C(C)(C)C)cc2)cc1, COC(Cl)Cl to produce CC(C)(C)c1ccc2sc3ccc(C(C)(C)C)cc3c(=O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.