Using CC(C)(C)OC(=O)N1[C@@H](CC2CCCCC2)C(CCO)OC1(C)C, [Br-] to produce CC(C)(C)OC(=O)N1[C@@H](CC2CCCCC2)C(CCBr)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.