[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Se][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N]"}, {"from": "gpt", "value": "The molecule is an alpha-amino acid anion having methylselanylmethyl as the side-chain. It is a conjugate base of a Se-methylselenocysteine."}]