Using CCCCCCCC/C=C\CCCCCCCCO, O=C(O)c1ccc(Br)o1 to produce CCCCCCCC/C=C\CCCCCCCCOc1ccc(C(=O)O)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.