Using NC1(Cl)C=C([N+](=O)[O-])C=CC1C(=O)O, O=[N+]([O-])c1cccc(O)c1 to produce NC1(Oc2ccccc2)C=C([N+](=O)[O-])C=CC1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.