Using COc1c(C(C)(C)C)cc(C#C[Si](C)(C)C)cc1C(C)(C)C to produce C#Cc1cc(C(C)(C)C)c(OC)c(C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.