Using CCc1cc(C(=O)c2ccccc2Cl)c(N)s1, O=[N+]([O-])C=CN1CCOCC1 to produce CCc1cc(C(=O)c2ccccc2Cl)c(NC=C[N+](=O)[O-])s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.