Using O=C(Nc1cc(F)c(OCc2ccccc2)cc1[N+](=O)[O-])c1cnccn1, Oc1ccccc1F to produce O=C(Nc1cc(Oc2ccccc2F)c(OCc2ccccc2)cc1[N+](=O)[O-])c1cnccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.