Using COC(=O)/C(=C/C(C)C)c1ccc(S(C)(=O)=O)cc1 to produce CC(C)/C=C(/C(=O)O)c1ccc(S(C)(=O)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.