[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@][C][C][C][C@@][Branch2][Ring1][=Branch2][C@H1][Ring1][=Branch1][C][C][C@][C@H1][Ring1][#Branch2][C][C][C@H1][Branch1][Ring2][C][Ring1][=Branch1][C][=Branch1][C][=C][C][Ring1][=Branch2][Branch1][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an ent-kaurane diterpenoid that is ent-kauran-19-oic acid in which a double bond is present at position 16(17); exhibits anticancer and anti-HIV 1 activity. It has a role as an anti-HIV-1 agent, an antineoplastic agent and a plant metabolite. It is a conjugate acid of an ent-kaur-16-en-19-oate."}]