[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][C@H1][Branch2][Branch1][S][C@H1][Branch2][Branch1][O][C@@H1][Branch2][Branch1][=Branch1][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Ring2][=Branch2][C@H1][Branch2][Ring2][Ring2][C@H1][Branch2][Ring1][=C][O][C@H1][Ring1][=Branch1][O][C@H1][Branch1][N][C@H1][Branch1][Ring1][C][O][N][C][=Branch1][C][=O][C][C@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][C][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a glycosyl alditol derivative that is 2-acetamido-2-deoxy-D-galactitol in which the hydroxy group at position 3 has been glycosylated by an alpha-L-fucopyranosyl-(1->2) beta-D-galactopyranosyl group. It is an O-acyl carbohydrate and a glycosyl alditol derivative."}]