[{"from": "human", "value": "Describe this molecule. [C][=C][Branch1][=C][C][=Branch1][#Branch2][=C][C][=Branch1][C][=O][C][Ring1][#Branch1][=O][O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a non-proteinogenic alpha-amino acid that is alanine substituted at position 3 by a 2-hydroxy-1,4-benzoquinon-5-yl group. It is a non-proteinogenic alpha-amino acid and a member of monohydroxy-1,4-benzoquinones. It is a tautomer of a topaquinone zwitterion."}]