User: I'm searching for the SMILES of a molecule that can be described by:
The molecule is a sphingomyelin d18:1 obtained by formal condensation of the carboxy group of pentacosanoic acid with the amino group of sphingosine. It is a sphingomyelin d18:1 and a sphingomyelin 43:1. It derives from a pentacosanoic acid.
Assistant: This is a molecule that fits your description: CCCCCCCCCCCCC/C=C/[C@@H](O)[C@H](COP(=O)([O-])OCC[N+](C)(C)C)NC(=O)CCCCCCCCCCCCCCCCCCCCCCCC
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
[(E,2S,3R)-3-hydroxy-2-(pentacosanoylamino)octadec-4-enyl] 2-(trimethylazaniumyl)ethyl phosphate
The molecule is a sphingomyelin d18:1 obtained by formal condensation of the carboxy group of pentacosanoic acid with the amino group of sphingosine. It is a sphingomyelin d18:1 and a sphingomyelin 43:1. It derives from a pentacosanoic acid.