Using CC=O, CC(C)(C)[Si](O[C@@H]1CC[C@@]2(C)[C@@H](CC[C@@H]3[C@@H]2CC[C@]2(C)[C@@H](C=C(Br)Br)CC[C@@H]32)C1)(c1ccccc1)c1ccccc1 to produce CC(O)C#C[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@H](O[Si](c5ccccc5)(c5ccccc5)C(C)(C)C)CC[C@]4(C)[C@H]3CC[C@]12C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.