[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][C][C][Branch1][C][C][C][=C][C][=Branch2][Ring2][Branch1][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch1][O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][Branch2][N][S][=Branch1][C][=O][=Branch1][C][=O][C][N][C][=C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O]"}, {"from": "gpt", "value": "The molecule is a member of the class of pyrimidone, which is (as the monohydrate of its sodium salt) in combination with ombitasvir, paritaprevir and ritonavir (under the trade name Viekira Pak) for treatment of chronic hepatitis C virus genotype 1 infection as well as cirrhosis of the liver. It has a role as an antiviral drug and a nonnucleoside hepatitis C virus polymerase inhibitor. It is a member of naphthalenes, a sulfonamide, an aromatic ether and a pyrimidone. It is functionally related to a uracil."}]