Using CS(=O)(=O)Cl, C=CCOC(=O)N1C[C@H](O)C[C@H]1C(O)c1csc2cncn12 to produce C=CCOC(=O)N1C[C@H](OS(C)(=O)=O)C[C@H]1C(O)c1csc2cncn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.