[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring2][O][C@@H1][C@@H1][Branch2][Ring2][Branch1][C@@H1][Branch2][Ring1][S][C@H1][Branch2][Ring1][O][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][C@@H1][Branch1][#Branch1][C][=Branch1][C][=O][C][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an Osmotic Laxative. The mechanism of action of lactulose is as an Osmotic Activity, and Acidifying Activity. The physiologic effect of lactulose is by means of Stimulation Large Intestine Fluid/Electrolyte Secretion."}]