Using Cc1nc[nH]c1/C=C1\C(=O)Nc2ccc(Br)cc21, C#C[Si](C)(C)C to produce Cc1nc[nH]c1/C=C1\C(=O)Nc2ccc(C#C[Si](C)(C)C)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.