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