[{"from": "human", "value": "Could you give me a brief overview 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@H1][Branch1][Ring1][C][O][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a glycosyl alditol consisting of alpha-D-galactopyranose and D-galactitol residues joined in sequence by a (1->4) glycosidic bond. It is functionally related to an alpha-D-galactose and a galactitol."}]