[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C@H1][Branch2][#Branch1][C][C@H1][Branch2][=Branch1][=N][C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C][C][C@@][Branch2][Branch1][=N][C@H1][C][C@H1][Branch2][Ring2][Branch2][C@@][Branch2][Ring2][Ring1][C@@][Branch2][Ring1][#Branch1][C][C][C@@][Ring1][Branch1][Branch1][#C][C@@][Ring1][=Branch2][Branch1][=Branch2][C][C][=C][Ring1][=N][C][Ring1][P][O][O][Branch1][=Branch1][C][=Branch1][C][=O][C][O][C][O][C][=Branch1][C][=O][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a steroid glycoside isolated from the roots of Cynanchum auriculatum and has been shown to exhibit cytotoxicity against human tumour cell lines. It has a role as a metabolite and an antineoplastic agent. It is a 17beta-hydroxy steroid, a cinnamate ester, a methyl ketone, a deoxy hexoside, a steroid ester, a steroid saponin and a tertiary alpha-hydroxy ketone. It derives from a hydride of a pregnane."}]