[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C@H1][Branch2][Ring1][C][C@H1][Branch1][C][C][C][=Branch1][C][=O][S][C][C][N][C][=Branch1][C][=O][C][O]"}, {"from": "gpt", "value": "The molecule is a thioester formed by condensation of (2S,3R)-3-hydroxy-2-methylpentanoic acid with N-(2-sulfanylethyl)acetamide. It is a diketide and a thioester."}]