[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a N-acyl-3-ketodihydrosphingosine. It is functionally related to a behenate."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]"}]