[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][C][=N][C][=C][N][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a pyrazine that is substituted by an acetyl group at position 2. It has been identified as one of the volatile flavor constituents in popcorn, bread crust, vinegar, and potato snacks. It has a role as a flavouring agent. It is an aromatic ketone and a member of pyrazines."}]