Using C#C[Si](C)(C)C, COC(=O)Cc1ccc(C(F)(F)F)cc1Br to produce COC(=O)Cc1ccc(C(F)(F)F)cc1C#C[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.