[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][O][C][=Branch1][C][=O][C][=C][N][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][#C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][S][C][C][C][Ring1][Branch2][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is member of the acetylenic class of retinoids. It is a prodrug that is found in topical formulations used in the treatment of various conditons, such as psoriasis, acne, and sun damaged skin (photodamage)."}]