[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 2-acyl-sn-glycero-3-phosphoethanolamine zwitterion obtained by transfer of a proton from the phosphate to the amino group of 2-octadecanoyl-sn-glycero-3-phosphoethanolamine; major species at pH 7.3. It is a 2-acyl-sn-glycero-3-phosphoethanolamine zwitterion and a lysophosphatidylethanolamine zwitterion 18:0. It is a tautomer of a 2-octadecanoyl-sn-glycero-3-phosphoethanolamine."}, {"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@H1][Branch1][Ring1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][NH3+1]"}]