[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch1][=Branch2][C@@H1][Branch2][Branch1][Ring2][C@H1][Branch2][Ring2][=C][O][C@H1][Ring1][=Branch1][O][C@H1][C@H1][Branch2][Ring2][Ring1][C@H1][Branch2][Ring1][=N][O][C@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C@@H1][C@H1][Branch1][=C][O][C@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C][O][C][O][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a linear amino trisaccharide consisting of beta-D-glucose at the reducing end having an N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl group attached at the 4-position. It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide."}]