[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#C][C@H1][Branch1][O][C][Branch1][#Branch1][C@H1][Branch1][Ring1][C][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a pentitol (five-carbon sugar alcohol) having meso-configuration, being derived from xylose by reduction of the carbonyl group. It has a role as a sweetening agent, an allergen, a hapten, a human metabolite, an algal metabolite, a Saccharomyces cerevisiae metabolite and a mouse metabolite."}]