[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a sphingomyelin 42:1 obtained by formal condensation of the carboxy group of pentacosanoic acid with the amino group of 14-methylhexadecasphingosine-1-phosphocholine. It is a metabolite of the nematode Caenorhabditis elegans. It has a role as a Caenorhabditis elegans metabolite. It is functionally related to a 14-methylhexadecasphingosine and a pentacosanoic 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][C][C][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C][C@@H1][Branch1][P][/C][=C][/C][C][C][C][C][C][C][C][C][Branch1][C][C][C][C][O]"}]