[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a primary aliphatic ammonium ion that is the conjugate acid of ethanolamine arising from protonation of the primary amino function. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate acid of an ethanolamine."}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][O][NH3+1]"}]