[{"from": "human", "value": "Could you provide a description of this molecule? [C][C@H1][C@H1][Branch2][Branch1][#Branch2][C@H1][Branch2][Branch1][Branch1][C@@H1][Branch2][Ring2][S][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][Branch1][Ring1][C][O][C@H1][Branch1][O][C@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][O][C@@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a glycosyl alditol that is D-galactitol in which the hydroxy groups at positions 2 and 3 have been converted into the corresponding alpha-L-fucopyranosyl and alpha-D-galactopyranosyl derivatives, respectively."}]