[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][C@@H1][Branch2][=Branch2][Ring2][C@@H1][Branch2][Branch2][#C][C@H1][Branch2][Branch2][Branch1][C][Branch1][Ring2][O][Ring1][=Branch1][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][/C][\\C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][C][=C][Branch1][C][C][C][N][C][=Branch1][C][=O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a polyprenyl glycosyl phosphate consisting of a N-acetyl-D-fucosaminyl residue attached to undecaprenyl diphosphate via a glycosyl diphosphate linkage. It is a conjugate acid of a N-acetyl-D-fucosaminyl undecaprenyl diphosphate(2-)."}]