[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a phytoceramide in which the N-acyl group is specified as arachidonoyl. It is functionally related to an arachidonic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C@H1][Branch2][Ring2][Ring1][C@H1][Branch2][Ring1][=C][C@H1][Branch1][Ring1][C][O][N][C][=Branch1][C][=O][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][O][O]"}]