Using COC(=O)c1cc(F)c(C(F)(F)F)cc1[N+](=O)[O-], CCOC(=O)c1nc[nH]n1 to produce CCOC(=O)c1ncn(-c2cc(C(=O)OC)c([N+](=O)[O-])cc2C(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.