[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@@][Branch2][Ring2][#Branch1][C][=Branch1][C][=O][N][C@H1][Branch2][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C@@][Ring1][#Branch2][Branch1][Ring2][O][Ring1][=C][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@@H1][C][C@H1][C@@H1][Branch1][P][C][C][=C][N][C][=C][C][=C][C][Ring1][O][=C][Ring1][=Branch2][Ring1][=Branch1][N][Branch1][Ring2][C][Ring1][S][C].[C][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the methanesulfonic acid salt of dihydroergotamine, a semisynthetic ergot alkaloid with weaker oxytocic and vasoconstrictor properties than ergotamine. Both the mesylate and the tartrate salts are used for the treatment of migraine and orthostatic hypotension. It has a role as a serotonergic agonist, a non-narcotic analgesic and a vasoconstrictor agent. It contains a dihydroergotamine."}]