[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Ring1][S][C@@H1][Branch2][Ring1][O][C@H1][Branch2][Ring1][Branch1][O][C@H1][Ring1][=Branch1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][#Branch1][C@H1][Branch1][Ring1][C][O][O][O][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is an amino disaccharide consisting of N-acetyl-D-glucosamine attached to D-ribitol via a beta-(1->4)-linkage; epitope of Staphylococcus aureus. It has a role as an epitope."}]