Using O=c1oc(C2CCN(c3ccc([N+](=O)[O-])cc3F)CC2)nn1Cc1ccccc1 to produce Nc1ccc(N2CCC(c3nn(Cc4ccccc4)c(=O)o3)CC2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.