[{"from": "human", "value": "Describe this molecule. [C][C][C][Branch2][Branch1][Ring1][C][/C][=C][/C][=C][/C][=C][/C][Branch2][Ring2][=Branch1][C][C][=Branch1][C][=O][N][C][=C][Branch2][Ring1][#Branch2][C][=Branch1][O][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch1][S][C][O][C][C][/C][=C][Branch1][=Branch1][\\C][Ring2][Ring1][N][O][/C][O][O][C][O][C][=Branch1][C][=O][C][Branch1][C][C][N][C][=Branch1][C][=O][C][C][C][C][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a 21-membered macrocycle isolated from the fermentation broth of Streptomyces sp.AC654. It exhibits antineoplastic activity. It has a role as a metabolite, an antimicrobial agent and an antineoplastic agent. It is a secondary alcohol, a carboxylic ester, an ether, a lactam, a macrocycle, an aryl sulfide and a member of hydroquinones."}]