[{"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][N][C][C@H1][Branch2][=Branch1][=Branch1][C][C@@H1][Branch2][Branch1][S][C@@H1][Branch2][Branch1][O][C][=N][C@H1][Branch1][Branch1][C][S][Ring1][Branch1][/C][=C][Branch2][Ring2][N][/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][Ring2][Ring1][C][C][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][\\C][C][O][C][C@@H1][Branch1][C][C][C][C][Branch1][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an aprotoxin having the common aprotoxin cyclodepsipeptide skeleton where the isoleucyl residue carries an N-methyl substituent and the side-chain adjacent to the lactone is (2R)-4,4-dimethylpentan-2-yl. It is isolateed from Lyngbya majuscula and Lyngbya sordida and exhibits anticancer properties. It has a role as a metabolite and an antineoplastic agent."}]