Using CCOC(=O)/C=C/c1cc(F)c(OCc2ccccc2)c(F)c1, C=[N+]=[N-] to produce CCOC(=O)C1CC1c1cc(F)c(OCc2ccccc2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.