[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an organic cation that is the conjugate acid of D-cycloserine, obtained by protonation of the amino group. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a D-cycloserine."}, {"from": "gpt", "value": "[C][C@H1][Branch1][=Branch2][C][=Branch1][C][=O][N][O][Ring1][=Branch1][NH3+1]"}]