[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 1-O-acyl-N-acylsphingosine in which the N- and O-acyl groups are specified as acetyl and arachidonoyl respectively. It is functionally related to a N-acetylsphingosine and an arachidonic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][/C][=C][/C@H1][Branch2][Ring2][Ring2][C@H1][Branch2][Ring1][#Branch2][C][O][C][=Branch1][C][=O][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][N][C][=Branch1][C][=O][C][O]"}]