Using COC(=O)c1ccc(C(=O)N2CCCC2)c(Br)c1, C#C[Si](C)(C)C to produce COC(=O)c1ccc(C(=O)N2CCCC2)c(C#C[Si](C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.