[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a tetracyclic diterpenoid isolated from the whole plant of Euphorbia decipiens and exhibits inhibitory activity against urease. It has a role as a metabolite and an EC 3.5.1.5 (urease) inhibitor. It is an acetate ester, a bridged compound, a cyclic ether, a lactol and a tetracyclic diterpenoid. It is functionally related to a nicotinic acid."}, {"from": "gpt", "value": "[C][C@H1][C][C@][Branch2][=Branch1][=Branch1][C@H1][Branch1][#Branch2][C@H1][Ring1][Branch1][O][C][=Branch1][C][=O][C][C@H1][Branch2][Ring2][=Branch2][C@@][C][O][C@@][Ring1][N][Branch2][Ring1][#C][C@@][Branch2][Ring1][#Branch1][C@@H1][Ring1][=Branch1][C@H1][Branch1][N][C][=C][C@H1][Ring1][#Branch2][O][C][=Branch1][C][=O][C][C][=Branch1][C][=C][C][Branch1][C][C][O][O][O][C][=Branch1][C][=O][C][=C][N][=C][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C]"}]