Using CCCC1(CCC)C(=O)C(C(=O)Nc2ccccc2S(N)(=O)=O)=C(O)c2ccccc21 to produce CCCC1(CCC)C(=O)C(C2=NS(=O)(=O)c3ccccc3N2)=C(O)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.