[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][C@H1][Branch2][Branch1][#Branch1][C][=Branch1][C][=O][O][C@H1][Ring1][=Branch1][C@@H1][C@H1][Branch2][Ring2][=Branch2][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][#Branch1][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][C][=C][C][=Branch1][C][=O][C][=C][C@][Ring1][O][Ring1][#Branch1][C][C][=Branch1][C][=O][O][Ring2][Ring1][Branch2][C][C]"}, {"from": "gpt", "value": "The molecule is a withanolide that is 18,22:23,26-diepoxyergosta-1,4-diene substituted by oxo groups at positions 3, 18 and 26. It has been isolated from a Formosan soft coral Paraminabea acronocephala. It has a role as a coral metabolite. It is a gamma-lactone, an enone, an ergostanoid and a withanolide."}]