[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch2][Ring1][=N][C][=C][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][Branch2][=O][C][=C][C][=C][Ring1][Branch2][O][O]"}, {"from": "gpt", "value": "The molecule is a naphthofuran that is naphtho[2,3-b]furan-4,9-dione substituted by a hydroxy group at position 8 and a 1-hydroxyethyl group at position 2. Isolated from Tabebuia impetiginosa and Kigelia pinnata, it exhibits antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a naphthofuran, a member of phenols, a secondary alcohol and a member of p-quinones."}]