[{"from": "human", "value": "Generate a molecule based on this description. The molecule is the anion of (R)-2-hydroxynonanoic acid. It is functionally related to a nonanoate. It is a conjugate base of a (R)-2-hydroxynonanoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}]