Using CS(=O)(=O)Cl, CC(CC(CO)COC(=O)c1ccccc1)OC(=O)c1ccccc1 to produce CC(CC(COC(=O)c1ccccc1)COS(C)(=O)=O)OC(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.