Using COC(=O)[C@H]1CCCN1, O=[N+]([O-])c1cccc(S(=O)(=O)Cl)c1 to produce COC(=O)[C@H]1CCCN1S(=O)(=O)c1cccc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.