Using C/C(=C\c1ccc(Cl)cc1)S(=O)(=O)Nc1ccccc1S(N)(=O)=O to produce CC(Cc1ccc(Cl)cc1)S(=O)(=O)Nc1ccccc1S(N)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.