[{"from": "human", "value": "Provide a brief overview 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 essential for normal growth; and embryonic development. An excess of tretinoin can be teratogenic. It is used in the treatment of psoriasis; acne vulgaris; and several other skin diseases. It has also been approved for use in promyelocytic leukemia (leukemia, promyelocytic, acute)."}]