Using Cc1cc(CO)cc(C(C)(C)O[SiH2]C(C)(C)C)c1, CCN(CC)CC to produce Cc1cc(CC#N)cc(C(C)(C)O[SiH2]C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.