[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a 3-hydroxypentanoic acid in which the chiral centre at position 3 has R-configuration. It is a conjugate acid of a (R)-3-hydroxypentanoate. It is an enantiomer of a (S)-3-hydroxypentanoic acid."}, {"from": "gpt", "value": "[C][C][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][O]"}]