Using C[N+](=O)[O-], O=P(OC1=Nc2ccc(Cl)cc2C(c2ccccc2)=NC1)(N1CCOCC1)N1CCOCC1 to produce O=[N+]([O-])C=C1CN=C(c2ccccc2)c2cc(Cl)ccc2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.