Using CC(C)(C)OC(=O)N1CCN(c2cccc(Br)c2)CC1, CC(C)OB(OC(C)C)OC(C)C to produce CC(C)(C)OC(=O)N1CCN(c2cccc(B(O)O)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.