Using C#C[Si](C)(C)C, CCOC(=O)C(Nc1ccc(C#N)cc1)c1cc(Br)cc(CO)c1 to produce CCOC(=O)C(Nc1ccc(C#N)cc1)c1cc(C#C[Si](C)(C)C)cc(CO)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.