Using CC(=O)N1c2ccc(Br)cc2C(NC(=O)OC(C)C)CC1C, Cc1nn(C)c(C)c1B1OC(C)(C)C(C)(C)O1 to produce CC(=O)N1c2ccc(-c3c(C)nn(C)c3C)cc2[C@H](NC(=O)OC(C)C)C[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.