[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a N-acylsphingosine in which the acyl group specified is (13Z)-docosenoyl. It has a role as a mouse metabolite."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][/C][=C][/C@H1][Branch2][Ring1][S][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][C][C][O]"}]