[{"from": "human", "value": "Describe this molecule. [C][Branch2][Ring1][Branch1][C@@H1][C@@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][O][S]"}, {"from": "gpt", "value": "The molecule is a thiosugar that is beta-D-galactopyranose in which the hydroxy group at position 6 is replaced by a sulfanyl group. It is a thiosugar, a thiol and a monosaccharide derivative."}]