Using O=[N+]([O-])[O-], NC1=NC(c2ccccc2F)(C(F)(F)F)CCOC1 to produce NC1=NC(c2cc([N+](=O)[O-])ccc2F)(C(F)(F)F)CCOC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.