Using COC(=O)CCC(=O)Nc1cnc(Br)cn1, C#C[Si](C)(C)C to produce COC(=O)CCC(=O)Nc1cnc(C#C[Si](C)(C)C)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.