Using CC(C)(C)[SiH2]OC(C)(C)c1cccc2cccc(CO)c12 to produce CC(C)(C)[SiH2]OC(C)(C)c1cccc2cccc(C=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.