Using C#C[Si](C)(C)C, COC(=O)Cc1cc(C(F)(F)F)ccc1Br to produce COC(=O)Cc1cc(C(F)(F)F)ccc1C#C[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.