[{"from": "human", "value": "Provide a description of this molecule. [C][O][C][=C][Branch2][Ring1][=N][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][/C][=C][/C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C]"}, {"from": "gpt", "value": "The molecule is an antiallergic drug developed by Kissei Pharmaceuticals. In 1982, it was approved in Japan and South Korea for the management of bronchial asthma. Indications for keloid and hypertrophic scar were added in 1993. It has been used for the treatment of allergic disorders such as asthma, allergic rhinitis and atopic dermatitis."}]