[{"from": "human", "value": "Provide a description of this molecule. [C][N][S][=Branch1][C][=O][=Branch1][C][=O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=C][Ring1][#Branch1][C][C][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a serotonin receptor agonist commonly used to treat migraines and sometimes cluster headaches. Sumatriptan is the first of the triptans and was made available in Europe in 1991 to treat migraines. Sumatriptan was granted FDA approval on 28 December 1992."}]