[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][S][C][=Branch1][C][=O][N][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][#Branch1][C][C]"}, {"from": "gpt", "value": "An anticonvulsant effective in absence seizures, but generally reserved for refractory cases because of its toxicity. (From AMA Drug Evaluations Annual, 1994, p378)"}]