[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch1][C][C][C][=C][Branch2][Ring2][=Branch2][C][=C][Branch2][Ring2][Ring1][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=N][N][C][=Branch1][C][=O][N][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch1][Branch1][C][=C][Ring1][#Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a complex mixture of single stranded polydeoxyribonucleotides derived from porcine intestinal mucosa that has antithrombotic and profibrinolytic activity and is used in the treatment of severe sinusoidal obstruction syndrome (SOS) after hematopoietic cell transplantation (HCT). Defibrotide is used in patients with severe liver injury and has not been associated with worsening of serum aminotransferase elevations during therapy and has not been linked to cases of clinically apparent, idiosyncratic liver injury."}]