Using COC(Cc1ccc(OCCN(C)c2ccccn2)cc1)OC, C[Si](C)(C)C#N to produce COC(C#N)Cc1ccc(OCCN(C)c2ccccn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.