[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@H1][Branch1][N][/C][=C][/C@H1][Branch1][=Branch1][C][C][C][Ring1][Ring1][O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][Branch2][C][C][C][/C][\\-Ring1][=Branch1][=C][\\C][=C][\\C][C@H1][Branch1][#Branch2][C][C@@H1][Branch1][Branch1][C][/-Ring1][=Branch1][=C][O][O][C]"}, {"from": "gpt", "value": "The molecule is a synthetic vitamin D derivative usually formulated for topical dermatological use, antipsoriatic Calcipotriene (calcipotriol) competes equally with active 1,25-hydroxy-2D3 (the natural form of vitamin D) for 1,25-hydroxy-2D3 receptors in regulating cell proliferation and differentiation. It induces differentiation and suppresses proliferation of keratinocytes, reversing abnormal keratinocyte changes in psoriasis, and leads to normalization of epidermal growth. (NCI04)"}]