[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@H1][C][C@@H1][Branch2][Ring2][#Branch2][O][C@@][Ring1][Branch1][C][C][C@][Branch2][Ring1][#C][C@H1][Ring1][Branch1][C][/C][=C][Branch2][Ring1][Ring2][\\C@@H1][C@H1][Branch1][Ring2][C][Ring1][Branch2][C@][Branch1][=Branch1][C][C][Ring1][=Branch1][=O][Branch1][C][C][O][/C][=O][C][C][=C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a sesterterpenoid that is ophiobolane with a hydroxy group at position 3, oxo groups at positions 5 and 25, double bonds at positions 7-8 and 19-20, and an oxygen link between positions 14 and 18. It is an oxaspiro compound, an enal, a cyclic ketone, a tertiary alcohol and a sesterterpenoid. It derives from a hydride of an ophiobolane."}]