[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a D-alanine derivative in which one of the methyl hydrogens of D-alanine has been replaced by an acetyl group. It is a 2-amino-4-oxopentanoic acid and a D-alanine derivative. It is a tautomer of a (R)-2-amino-4-oxopentanoic acid zwitterion."}]