[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=C][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][N][C][=Branch1][C][=O][C][=C][C][=Branch2][Ring2][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=C][N][Branch2][Ring1][#Branch2][C][=C][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][O][C][C][C][C][C][Ring1][Branch1][C][O][C]"}, {"from": "gpt", "value": "The molecule is an orally available leukotriene receptor antagonist which is widely used for the prophylaxis and chronic treatment of asthma. Zafirlukast has been linked to rare, but occasionally severe cases of acute liver injury."}]