Using O=C1C=CC(=O)O1, O=[N+]([O-])c1ccc(Cl)c(S(=O)[O-])c1 to produce O=C(O)CCS(=O)(=O)c1cc([N+](=O)[O-])ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.