Using CC1(C)COc2c(F)c(F)c([N+](=O)[O-])c3c(=O)c(C(N)=O)cn1c23 to produce CC1(C)COc2c(F)c(F)c(N)c3c(=O)c(C(N)=O)cn1c23, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.