[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@H1][Branch2][#Branch1][O][C@H1][Branch2][#Branch1][=Branch1][C@@H1][Branch2][=Branch1][P][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C][C@@H1][C@H1][Branch2][Ring2][=Branch2][C@@H1][Branch1][P][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][C@H1][C@H1][Branch1][S][C@@H1][Branch1][N][C@@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][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][N][C][=Branch1][C][=O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a branched amino tetrasaccharide consisting of N-acetyl-beta-D-glucosamine having two alpha-L-fucosyl residues at the 3- and 6-positions as well as an N-acetyl-beta-D-glucosaminyl residue at the 4-position. It has a role as a carbohydrate allergen. It is a glucosamine oligosaccharide and an amino tetrasaccharide. It is functionally related to an alpha-L-Fucp-(1->3)-[alpha-L-Fucp-(1->6)]-beta-D-GlcpNAc."}]