[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a ceramide obtained by formal condensation of the carboxy group of tricosanoic acid with the amino group of 14-methylhexadecasphingosine. It is a metabolite of the nematode Caenorhabditis elegans. It has a role as a Caenorhabditis elegans metabolite. It is a ceramide and a Cer(d40:1). It is functionally related to a 14-methylhexadecasphingosine and a tricosanoic acid."}, {"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][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C@@H1][Branch1][P][/C][=C][/C][C][C][C][C][C][C][C][C][Branch1][C][C][C][C][O]"}]