Using CCNn1c(C)c(C(=O)N[C@H](c2ccccc2)C2CC2)c2cccc(F)c2c1=O, O=N[O-] to produce CCNn1c(C)c(C(=O)N[C@H](c2ccccc2)C2CC2)c2cccc(O)c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.