Using CS(=O)(=O)Cl, CCOC(=O)c1cc([N+](=O)[O-])c[nH]1 to produce CCOC(=O)c1cc([N+](=O)[O-])cn1S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.