Using CC(C)(C)OC(=O)N1C(CN=[N+]=[N-])C(c2cc(F)ccc2F)=CC1c1ccccc1 to produce NCC1NC(c2ccccc2)C=C1c1cc(F)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.