[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C@@H1][C@@][Branch2][Branch1][=Branch1][/C][=C][/C][=Branch1][C][=O][C@@H1][Branch2][Ring2][O][C][C@@H1][Branch2][Ring2][Branch1][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=C][C][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=Branch2][C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][N][Branch1][C][C][C][O][C][C][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule is a twelve-membered macrolide antibiotic that is biosynthesised by Streptomyces venezuelae. It has a role as a bacterial metabolite. It is a macrolide antibiotic, a monosaccharide derivative and an enone. It is a conjugate base of a methymycin(1+)."}]