[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a phytoceramide compound having a hexadecanoyl group attached to the nitrogen atom. It is a N-acylphytosphingosine and a N-palmitoyl-sphingoid base."}, {"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][Ring1][C][O][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]"}]