[{"from": "human", "value": "Describe this molecule. [C][C][O][C][=Branch1][C][=O][C][C][C@][Branch2][Branch1][C][C@@H1][Branch2][Ring2][=Branch2][C][C][C][=Branch1][C][=C][C@@H1][Ring1][#Branch1][C][C][C@H1][C][=Branch2][Ring1][Branch2][=C][C][C@H1][Branch1][=C][C@][Ring1][=Branch1][Branch1][C][C][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=C][C][C][C][=Branch1][C][=C][C][C]"}, {"from": "gpt", "value": "The molecule is a triterpenoid that is the 3-ethyl ester of lansic acid. It has been isolated from the twigs of Lansium domesticum. It has a role as a plant metabolite and an antibacterial agent. It is a triterpenoid, an ethyl ester and a dicarboxylic acid monoester. It is functionally related to a lansic acid."}]