[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an N-acylphytosphingosine-1-phosphoethanolamine zwitterion in which the N-acyl group is specified as hexadecanoyl. It is functionally related to a N-hexadecanoylphytosphingosine. It is a tautomer of a N-hexadecanoylphytosphingosine-1-phosphoethanolamine."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][=C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][NH3+1][C@@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][#C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][O]"}]