[{"from": "human", "value": "Describe this molecule. [C][C][=C][Branch2][Ring1][=Branch2][C][=C][N][=C][Ring1][=Branch1][C][S][=Branch1][C][=O][C][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring1][=Branch2][O][C][C][C][O][C]"}, {"from": "gpt", "value": "The molecule is a proton pump inhibitor (PPI) and a potent inhibitor of gastric acidity used in the therapy of gastroesophageal reflux and peptic ulcer disease. Rabeprazole therapy is associated with a low rate of transient and asymptomatic serum aminotransferase elevations and is a rare cause of clinically apparent liver injury."}]