[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][N][=C][Branch1][Ring2][O][Ring1][=Branch1][N]"}, {"from": "gpt", "value": "In 2005, the Food and Drug Administration (FDA) withdrew approval for pemoline. In March 2005, Abbott Laboratories (Cylert marketer) had discontinued the production of Cylert arguing economic reasons."}]