[{"from": "human", "value": "Describe this molecule. [C][C@H1][C][C@H1][Branch2][Branch1][N][C][=Branch1][C][=O][/C][=C][/C@H1][Branch2][Ring2][P][C@H1][Branch2][Ring2][Branch2][O][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][=C][C@H1][Ring1][=C][O][C][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][=Branch2][C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][N+1][Branch1][C][C][Branch1][C][C][O-1][O][C][C][=Branch1][C][=O][C][C][C]"}, {"from": "gpt", "value": "The molecule is a macrolide that is the N-oxide of 12-ketomethymycin. It is a natural product synthesized by Streptomyces sp. AM4900 without biological activity. It has a role as a bacterial metabolite. It is an enone, a macrolide, a monosaccharide derivative, a N-oxide and a zwitterion. It is functionally related to a 12-ketomethymycin."}]