Using COC(=O)CC(CCCCCCCCO)=C(CCCCCCCCO)CC(=O)OC, CS(=O)(=O)Cl to produce COC(=O)CC(CCCCCCCCOS(C)(=O)=O)=C(CCCCCCCCOS(C)(=O)=O)CC(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.