Using C[C@H]1C[C@@H](c2nc3cc(-c4ccc(Br)cc4)ccc3[nH]2)N(C(=O)OC(C)(C)C)C1, C#C[Si](C)(C)C to produce C[C@H]1C[C@@H](c2nc3cc(-c4ccc(C#C[Si](C)(C)C)cc4)ccc3[nH]2)N(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.