Using C[C@@](O)(Cn1cc([N+](=O)[O-])nc1Cl)Cn1nc(-c2ccc(OC(F)(F)F)cc2)oc1=O to produce C[C@]1(Cn2nc(-c3ccc(OC(F)(F)F)cc3)oc2=O)Cn2cc([N+](=O)[O-])nc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.