Using Cc1cc(C)c(N)c(C(=O)c2ccccc2Cl)c1, O=[N+]([O-])C/C=N\O to produce Cc1cc(C)c2ncc([N+](=O)[O-])c(-c3ccccc3Cl)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.