Using CS(=O)(=O)Cl, CC(C)(C)C(=O)OCCn1nc(O[C@@H]2O[C@H](COC(=O)C(C)(C)C)[C@@H](OC(=O)C(C)(C)C)[C@H](OC(=O)C(C)(C)C)[C@H]2OC(=O)C(C)(C)C)c2c(CCc3ccc(OCCCO)cc3)cccc21 to produce CC(C)(C)C(=O)OCCn1nc(O[C@@H]2O[C@H](COC(=O)C(C)(C)C)[C@@H](OC(=O)C(C)(C)C)[C@H](OC(=O)C(C)(C)C)[C@H]2OC(=O)C(C)(C)C)c2c(CCc3ccc(OCCCOS(C)(=O)=O)cc3)cccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.