Using C=CS(=O)(=O)c1ccc(/C(=C\C2CCCCC2)C(=O)OC)cc1Cl to produce C=CS(=O)(=O)c1ccc(/C(=C\C2CCCCC2)C(=O)O)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.