Using CC1Cc2c(F)c(F)c([N+](=O)[O-])c3c(=O)c(C(=O)O)cn1c23 to produce CC1Cc2c(F)c(F)c(N)c3c(=O)c(C(=O)O)cn1c23, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.