[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][N][=C][Branch1][Branch1][C][=N][Ring1][=Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the parent compound of the class of pyrazinecarboxylic acids, that is pyrazine bearing a single carboxy substituent. The active metabolite of the antitubercular drug pyrazinamide. It has a role as a drug metabolite and an antitubercular agent. It is a conjugate acid of a pyrazine-2-carboxylate."}]