Using C#C[Si](C)(C)C, COc1cc(Br)c(OC)cc1Br to produce COc1cc(C#C[Si](C)(C)C)c(OC)cc1C#C[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.