Using COC(=O)c1cn(-c2ccc(S(C)(=O)=O)cc2)c2ncccc12 to produce CS(=O)(=O)c1ccc(-n2cc(C(=O)O)c3cccnc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.