[{"from": "human", "value": "Provide a description of this molecule. [C][C][C@H1][Branch1][C][C][C@H1][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][O][C@@H1][Branch2][=Branch1][C][C][C@H1][Branch2][Branch1][N][C][/C][=C][\\C][=N][C@@H1][Branch2][Ring2][=C][C][C][C][=Branch1][C][=O][N][C@H1][Branch2][Ring1][=Branch1][C][=Branch1][C][=O][N][Branch1][=C][C@H1][Branch1][#Branch2][C][=Branch1][C][=O][N][Ring2][Ring1][P][C][C][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][S][Ring2][Ring1][=C][C][C][Branch1][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an aprotoxin having the common aprotoxin cyclodepsipeptide skeleton with a double bond in the polyketide unit. It is isolated from Lyngbya bouillonii and exhibits cytotoxic activity against several cancer cell lines derived from colon, cervix, and bone. It has a role as a metabolite and an antineoplastic agent."}]