Using O=C(Cl)C(c1ccccc1)S(=O)(=O)O, NC1C(=O)N2C(C(=O)O)=C(Cl)CS[C@H]12 to produce O=C(O)C1=C(Cl)CS[C@@H]2C(NC(=O)C(c3ccccc3)S(=O)(=O)O)C(=O)N12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.