[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring1][Branch1][C@@H1][C@@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][Branch1][Ring2][O][Ring1][=Branch1][O][NH3+1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a primary ammonium ion resulting from the protonation of the amino group of 2-amino-2-deoxy-D-galactopyranose. Major species at pH 7.3. It is a conjugate acid of a 2-amino-2-deoxy-D-galactopyranose."}]