Using Cc1ccc(S(=O)(=O)OCCCS(C)(=O)=O)cc1, CC(C)(C)OC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-] to produce CC(C)(C)OC(=O)N(CCCS(C)(=O)=O)c1ccc(Cl)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.