Using CCCCCCCC/C=C\CCCCCCCCOc1ccc(-c2ccc(C(=O)OC)cc2)cc1 to produce CCCCCCCC/C=C\CCCCCCCCOc1ccc(-c2ccc(C(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.