[{"from": "human", "value": "Describe this molecule. [C][C@H1][C@H1][Branch2][#Branch1][Branch1][C@H1][Branch2][=Branch1][S][C@@H1][Branch2][=Branch1][O][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@H1][Branch2][Branch1][=N][O][C@H1][Branch2][Ring2][Ring2][C@@H1][Branch2][Ring1][#Branch2][C@H1][Ring1][=Branch1][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][N][C][=Branch1][C][=O][C][O][C@H1][Branch1][#Branch1][C@H1][Branch1][Ring1][C][O][O][C@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino tetrasaccharide that is 3-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-D-galactitol in which the hydroxy groups at positions 3 and 4 of the acetaminoglucopyranosyl moiety has been glycosylated by D-galactopyranosyl and L-fucosyl groups, respectively. It is an amino tetrasaccharide and a member of acetamides."}]