Using [O-][N+]1=C(c2ccccc2F)c2cc(Cl)ccc2NC(C(=NO)N2CCOCC2)C1, CC=O to produce Cc1nc(N2CCOCC2)c2n1-c1ccc(Cl)cc1C(c1ccccc1F)=[N+]([O-])C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.