[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][N][=C][Branch1][Branch1][C][=N][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion that is the conjugate base of pyrazine-2-carboxylic acid, obtained by deprotonation of the carboxy group. It is a conjugate base of a pyrazine-2-carboxylic acid."}]