[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][C@H1][Branch2][Ring2][=Branch1][C@@H1][Branch2][Ring1][P][C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@@H1][C@@H1][Branch1][#C][C@@H1][Branch1][O][O][C@H1][Branch1][=Branch1][C@H1][Ring1][=Branch1][O][C][O][C][O][C][=Branch1][C][=O][C][O][O][C]"}, {"from": "gpt", "value": "The molecule is a disaccharide derivative consisting of 4-O-acetyl-2-O-methyl-alpha-L-fucose having a 2,6-dideoxy-4-O-methyl-alpha-D-arabino-hexosyl residue attached at the 3-position."}]