[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a low molecular weight heparin (LMWH) anticoagulant used for the prevention of postoperative venous thrombosis. Ardeparin is derived via peroxide degradation of heparin extracted from porcine intestinal mucosa. Its molecular weight ranges from 2000 to 15,000 with an average molecular weight of 5500 to 6500. Normiflo was withdrawn from the US market in March 2000."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][C][Branch2][#Branch2][C][C][Branch2][Ring1][Ring1][C][Branch1][=Branch1][O][C][Ring1][=Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C][C][Branch2][#Branch1][=N][C][Branch2][#Branch1][Branch2][C][Branch1][N][C][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C][C][Branch2][Branch1][O][C][Branch2][Ring2][=C][C][Branch1][=Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][C][C][Branch2][Ring1][Ring2][C][Branch1][S][C][Branch1][N][C][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O][O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][N][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O]"}]