Using CCCCC/C=C\CCCC(C=O)CCC/C=C\CCCCC, CCCCC/C=C\CCBr to produce CCCCC/C=C\CCCC(CCC/C=C\CCCCC)C(O)CC/C=C\CCCCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.