Using COc1ccc(CO[C@@H](C(=O)OCc2cccnc2)C(C)(C)COS(=O)(=O)CCCCl)cc1 to produce CC(C)(COS(=O)(=O)CCCCl)[C@@H](O)C(=O)OCc1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.