[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a branched amino trisaccharide that consists of N-acetyl-alpha-D-galactosamine having a beta-D-galactosyl residue attached at the 3-position and an alpha-N-acetylneuraminosyl residue attached at the 6-position. It has a role as an epitope. It is an amino trisaccharide and a galactosamine oligosaccharide."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][=Branch1][O][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][Ring2][#Branch2][C@@H1][Branch1][P][C@H1][Branch1][Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][O][N][C][=Branch1][C][=O][C][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O][O][O]"}]