Using O=[N+]([O-])c1ccc2c(c1)CCN(C[C@H](O)C(F)(F)F)CC2 to produce Nc1ccc2c(c1)CCN(C[C@H](O)C(F)(F)F)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.