Using O=N[O-], NC(=O)c1ccnc(-c2cccc(C(F)(F)F)c2)c1N to produce O=c1[nH]nnc2c(-c3cccc(C(F)(F)F)c3)nccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.