[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is the D-enantiomer of leucinium. It has a role as a Saccharomyces cerevisiae metabolite and a bacterial metabolite. It is a conjugate acid of a D-leucine. It is an enantiomer of a L-leucinium."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1]"}]