Using CC1(C)OB(c2ccc(C#N)c3ccccc23)OC1(C)C, CCOC(=O)C(C)(C)Sc1ncccc1Br to produce CCOC(=O)C(C)(C)Sc1ncccc1-c1ccc(C#N)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.