Using COC(=O)CC/C(C)=C/Cc1c(OC)c(C)c2c(c1OS(=O)(=O)c1ccc(C)cc1)C(=O)OC2 to produce CC(=CCc1c(O)c(C)c2c(c1OS(=O)(=O)c1ccc(C)cc1)C(=O)OC2)CCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.