[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=C][Branch2][Branch1][=N][C][=Branch1][C][=O][O][C@H1][Branch1][Ring2][C][Ring1][#Branch1][C@@H1][Branch1][C][C][C@][Branch2][Ring2][=Branch2][C][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 5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione substituted by hydroxy groups at positions 4 and 17 (the 4beta,5beta,6beta,22R stereoisomer). 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 17alpha-hydroxy steroid, a withanolide and an epoxy steroid."}]