[{"from": "human", "value": "Describe this molecule. [C][O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a serine derivative that is L-serine with a methyl group replacing the hydrogen on the hydroxy side chain. It has a role as a metabolite. It is a L-serine derivative and a non-proteinogenic L-alpha-amino acid."}]