[{"from": "human", "value": "Generate a molecule based on this description. The molecule is the L-enantiomer of valinium. It has a role as a plant metabolite. It is a conjugate acid of a L-valine. It is an enantiomer of a D-valinium."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1]"}]