Using Cc1cccc(-c2nc(-c3cncc(C#C[Si](C)(C)C)c3)c3cc[nH]c3n2)n1 to produce C#Cc1cncc(-c2nc(-c3cccc(C)n3)nc3[nH]ccc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.