[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][Ring1][C][O][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid anion resulting from the removal of a proton from the carboxy group of homoserine. It is a conjugate base of a homoserine."}]