[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an N-acetyl-alpha-neuraminyl-(2->6)-N-acetyl-D-galactosamine in which the carbon bearing the anomeric hydroxy group has alpha configuration. It has a role as an epitope. It is functionally related to a N-acetyl-alpha-D-galactosamine and a N-acetyl-alpha-neuraminic acid."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch1][=Branch1][C][C@@][Branch1][#C][O][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][C@@H1][C@@H1][Branch2][Ring1][Branch1][C@@H1][Branch1][P][C@H1][Branch1][Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][O][O]"}]