[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@H1][Branch1][=C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][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][/C][=C][\\C][C]"}, {"from": "gpt", "value": "The molecule is a phosphatidylethanolamine 38:6 zwitterion in which the acyl substituents at positions 1 and 2 are specified as hexadecanoyl and (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl respectively. It is a tautomer of a 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphoethanolamine."}]