[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][C][Branch2][Ring2][O][C][Branch2][Ring2][=Branch1][O][C][Ring1][=Branch1][C][/C][=C][Branch1][C][\\C][/C][=C][/C][C@H1][Branch2][Ring1][Ring2][C@@][Branch1][N][C][C@@][Branch1][Ring2][O][Ring1][=Branch1][Branch1][C][C][O][Branch1][Ring1][C][Cl][O][O][C][N][C][=Branch1][C][=O][/C][=C][\\C][Branch1][C][C][O][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a cyclic hemiketal isolated from the fermentation broth of Pseudomonas sp.no.2663. It displays potent cytotoxic activity against human tumour cells. It has a role as an antimicrobial agent, an antineoplastic agent and a bacterial metabolite. It is an acetate ester, a cyclic hemiketal, an organochlorine compound, a member of pyrans and a monocarboxylic acid amide."}]