[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][Branch1][=N][C][Branch1][=Branch1][C][C][C][Ring1][=Branch1][Branch1][C][C][C][/C][=C][/C][=Branch1][=C][=C][/C][=C][/C][=Branch1][#Branch1][=C][\\C][=Branch1][C][=O][O][/C][/C]"}, {"from": "gpt", "value": "The molecule is a retinoid derivative of vitamin A used in the treatment of severe recalcitrant acne. It was most widely marketed under the brand name Accutane, which has since been discontinued. Isotretinoin is associated with major risks in pregnancy and is therefore only available under the iPLEDGE program in the United States. The first isotretinoin-containing product was FDA approved on 7 May 1982."}]