Using CCOC(=O)/C(CC(=O)O)=C(\c1ccc(Cl)cc1)c1ccc(S(C)(=O)=O)cc1 to produce CS(=O)(=O)c1ccc(/C(=C(\CC(=O)O)C(=O)O)c2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.