Using [N-]=[N+]=NCCCn1ccc(-c2ccc(F)cc2)c1-c1ccncc1 to produce NCCCn1ccc(-c2ccc(F)cc2)c1-c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.