[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@@H1][Branch2][Ring1][#C][C@@][Branch1][=Branch1][C][Branch1][C][C][C][Branch2][Ring1][Ring1][C][=Branch1][C][=O][O][C][C][=C][C][N][C@H1][Ring1][Branch1][C][C][C][Ring1][Branch1][O][O]"}, {"from": "gpt", "value": "The molecule is a carboxylic ester obtained by formal condensation of the carboxy group of (2S,3S)-2,3-dihydroxy-2-isopropylbutanoic acid with the hydroxy group of (7aS)-2,3,5,7a-tetrahydropyrrolizin-7-ylmethanol. It has a role as a plant metabolite. It is a member of pyrrolizines, a butyrate ester, a carboxylic ester, a secondary alcohol, a tertiary alcohol and a pyrrolizidine alkaloid."}]