[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][C][C][C][O][C@@][Ring1][=Branch1][C][C][C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][C][C][C][C@@H1][Branch2][=Branch1][S][C@@H1][C][=Branch1][C][=C][C@H1][Branch2][=Branch1][=Branch1][C@H1][C@H1][Branch1][Ring2][O][Ring1][#Branch1][C][C][C@][Branch1][Ring2][O][Ring1][#Branch1][C][C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][/C][=C][/C@@H1][Branch1][C][C][C@@H1][C][C][=Branch2][Ring2][C][=C][C@@][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch2][Ring1][=Branch1][C][C][C@H1][Branch1][Ring2][O][Ring1][#Branch1][C][C@][Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a ketal that is a rare marine toxin structurally related to okadaic acid. Found yearly along with okadaic acid in Portuguese shellfish, its presence has been correlated with the occurrence of Dinophysis acta. It has a role as a toxin and an EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor. It is functionally related to an okadaic acid."}]