Using CC(C)[Si](O[C@H]1C(=O)N(C(=O)OC(C)(C)C)[C@H]1c1ncccc1F)(C(C)C)C(C)C, Sc1ccc(Br)cc1 to produce CC(C)[Si](O[C@@H](C(=O)Sc1ccc(Br)cc1)[C@@H](NC(=O)OC(C)(C)C)c1ncccc1F)(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.