[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is the D-enantiomer of histidinium(2+). It has a role as a Saccharomyces cerevisiae metabolite. It is a conjugate acid of a D-histidinium(1+). It is an enantiomer of a L-histidinium(2+)."}, {"from": "gpt", "value": "[C][=C][Branch1][=Branch1][N][C][=NH1+1][Ring1][Branch1][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1]"}]