[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][Branch2][=Branch1][C][C][=Branch1][C][=O][O][C@H1][Branch1][Ring2][C][Ring1][#Branch1][C@@][Branch1][C][C][Branch2][Ring2][#C][C@][C@H1][Branch1][Ring2][O][Ring1][Ring1][C][C@@H1][C@@][Ring1][=Branch1][Branch2][Ring1][#C][C][C][C@H1][C@H1][Ring1][=Branch1][C][C@@H1][C@][Branch1][P][C@@][Ring1][=Branch1][Branch1][O][C][=Branch1][C][=O][C][=C][C@@H1][Ring1][#Branch1][O][C][O][Ring1][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is a withanolide that is the 20-hydroxy derivative of tubocapsanolide A. Isolated from Tubocapsicum anomalum, it exhibits cytotoxic activity. It has a role as an antineoplastic agent. It is a delta-lactone, a 4-hydroxy steroid, an enone, an ergostanoid, a secondary alcohol, a tertiary alcohol, a withanolide, a 20-hydroxy steroid and an epoxy steroid. It is functionally related to a tubocapsanolide A."}]