[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch1][=Branch2][C@@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][O][C@H1][C@@H1][Branch2][Branch1][Branch1][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C@H1][C@@H1][Branch2][Ring1][#Branch2][C@H1][Branch2][Ring1][Branch1][C@@H1][Branch1][P][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O][N][C][=Branch1][C][=O][C][O][O]"}, {"from": "gpt", "value": "The molecule is an amino trisaccharide comprised of an 6-sulfated N-acetylglucosamine residue linked beta(1->3) to a galactose residue, which is itself linked beta(1->4) to an N-acetylglucosamine residue. It has a role as an epitope. It is an amino trisaccharide and an oligosaccharide sulfate."}]