[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an ammonium ion that is the conjugate acid of 1,2-distearoylphosphatidylethanolamine, arising from protonation of the amino group. It is a conjugate acid of a 1,2-distearoylphosphatidylethanolamine."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C][Branch1][=C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C][NH3+1][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]"}]