[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. 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)."}, {"from": "gpt", "value": "[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]"}]