[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C@@H1][C@@H1][Branch2][Ring2][#Branch2][/C][=C][/C][=Branch1][C][=O][C@@H1][Branch2][Ring1][#C][C][C@@H1][Branch2][Ring1][=Branch2][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C][=Branch1][C][=O][C@H1][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][P][C][C][O][C][C][C]"}, {"from": "gpt", "value": "The molecule is a 14-membererd macrolide containing seven stereocentres carrying one ethyl, one hydroxy and five methyl substituents. It is the aglycone of the antibiotic narbonomycin and an intermediate in the biosynthesis of pikromycin. It has a role as a metabolite. It is a macrolide and an enone."}]