[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a 1,2-diacyl-sn-glycero-3-phosphoethanolamine in which the 1- and 2-acyl groups are specified as hexadecanoyl (palmitoyl) and octadecanoyl (stearoyl) respectively. It is a tautomer of a 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphoethanolamine zwitterion."}, {"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][Branch2][Ring1][=Branch1][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C][N]"}]