[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. Lemon yellow leaflets or plates or an orange powder. Melting point 176-181 \u00b0C. No odor or taste. Insoluble in water. Moderately toxic by ingestion, inhalation and skin absorption. Used as a treatment for psoriasis."}, {"from": "gpt", "value": "[C][C][=C][Branch1][#Branch2][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=C][Ring1][N][C][=C][C][=C][Ring1][=Branch1][O]"}]