[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][=Branch1][C][=O][O][C@@H1][C][C][=Branch1][C][=O][O][C@@H1][Branch2][#Branch1][=Branch1][C][/C][=C][/C][=C][/C@@H1][Branch2][=Branch1][N][C@@H1][Branch2][=Branch1][#Branch1][C][C@@H1][Branch2][Branch1][#C][C@@H1][Branch1][=Branch1][C@H1][Ring1][P][O][C][O][C@H1][C@@H1][Branch2][Ring2][S][C@H1][Branch2][Ring2][#Branch1][C@@H1][Branch1][Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][C@H1][C][C@@][Branch2][Ring1][C][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][C][=Branch1][C][=O][C][C][Branch1][C][C][O][N][Branch1][C][C][C][O][C][C][=O][C][O][C]"}, {"from": "gpt", "value": "The molecule is a naturally occurring 16-membered macrolide that fits under the category of acetoxy-substituted macrolide antibiotics. In this molecule, an acetoxy group is substituted on the position 9 of the 16-member ring and on position 4 of the terminal sugar. Until 2017, midecamycin was still under the list of approved antimicrobial active pharmaceutical ingredients by Health Canada."}]