[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][/C][=C][/C][=C][\\C][O][C@H1][C@@][/-Ring1][Branch1][Branch2][Branch2][#Branch1][C@@H1][Branch1][#Branch2][C][=C][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][C][=Branch1][C][=O][O][C@H1][C][C@@H1][Branch2][Branch1][#Branch1][C][/C][=C][Branch2][Ring2][S][/C@H1][Ring2][Ring1][=Branch2][O][C@H1][C][C@@H1][Branch2][Ring2][Ring1][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][C@H1][C][C@@H1][Branch1][P][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][N][C][=Branch1][C][=O][C][O][C][O][C][\\C][O][C@][Branch1][Branch1][C][Ring2][Ring2][Ring1][C][=C][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][#Branch1][C][Branch1][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is an avermectin analogue that is eprinomectin B1a in which the butan-2-yl substituent of the spiroketal moiety is replaced by an isopropyl group. It is an avermectin analogue, a member of acetamides, a semisynthetic derivative, an organic heteropentacyclic compound, a spiroketal and a disaccharide derivative."}]