[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch2][Ring1][Ring1][=C][Branch1][#C][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][O][O]"}, {"from": "gpt", "value": "The molecule is a L-alpha-amino acid anion which is the conjugate base of L-dopa, obtained by deprotonation of the carboxy group: major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a L-dopa."}]