[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a N-acyl-(4E,14Z)-sphingadienine. It is functionally related to a sphinga-4E,14Z-dienine(1+)."}, {"from": "gpt", "value": "[C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C@@H1][Branch1][S][/C][=C][/C][C][C][C][C][C][C][C][/C][=C][\\C][C][C][O]"}]