[{"from": "human", "value": "What can you tell me about this molecule? [C][C@][Branch1][Ring2][C][C][O][Branch1][#Branch1][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is the (S)-enantiomer of mevalonic acid. It is a conjugate acid of a (S)-mevalonate. It is an enantiomer of a (R)-mevalonic acid."}]