[{"from": "human", "value": "Describe this molecule. [C][=N][C][=Branch2][Ring1][=Branch1][=N][N][Ring1][Branch1][C@H1][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][C][=Branch1][C][=N][N].[Cl]"}, {"from": "gpt", "value": "The molecule is a hydrochloride salt form of taribavirin, an orally available prodrug of ribavirin, a synthetic nucleoside analog of ribofuranose with activity against a wide range of viruses, especially the hepatitis C virus and influenza virus. Taribavirin is converted into ribavirin, which is incorporated into viral nucleic acid, thereby inhibiting viral RNA synthesis, inducing viral genome mutations, and inhibiting normal viral replication."}]