[{"from": "human", "value": "Describe this molecule. [C][C@@][Branch1][Ring1][C][O][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is the D-enantiomer of 2-methylserine. It is an enantiomer of a 2-methyl-L-serine."}]