[{"from": "human", "value": "Describe this molecule. [C][C@H1][C][C@][Branch2][=Branch1][N][C@H1][Branch1][P][C@H1][Ring1][Branch1][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C@H1][Branch2][Ring2][#C][C@@][Branch2][Ring2][Ring2][C@@H1][Branch2][Ring1][#Branch2][C][=C][C@H1][C@H1][Ring1][=Branch1][C@@][Branch1][=Branch1][C][Ring2][Ring1][Branch1][=O][Branch1][=Branch2][O][C][Ring1][#Branch1][Branch1][C][C][C][C][O][C][=Branch1][C][=O][C][C][O][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][O]"}, {"from": "gpt", "value": "The molecule is a tetracyclic diterpenoid isolated from the whole plant of Euphorbia decipiens and exhibits inhibitory activity against prolyl endopeptidase (EC 3.4.21.26). It has a role as a metabolite and an EC 3.4.21.26 (prolyl oligopeptidase) inhibitor. It is an acetate ester, a benzoate ester, a tetracyclic diterpenoid, a cyclic ether, a cyclic ketone and a tertiary alpha-hydroxy ketone."}]