[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@H1][Branch1][N][C][C][C][C][Branch1][C][C][Branch1][C][C][O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][=N][C][C][C][/C][\\-Ring1][=Branch1][=C][\\C][=C][C][C@H1][Branch1][#C][C][Branch1][Branch2][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][C][C][O][O][C]"}, {"from": "gpt", "value": "The molecule is a vitamin D that is 19-norcalcitriol carrying an additional 3-hydroxypropyl substituent at position 2. A synthetic analogue of vitamin D, it exhibits anticancer properties. It has a role as an antineoplastic agent and an angiogenesis modulating agent. It is a tetrol, an olefinic compound, a vitamin D and a seco-cholestane."}]