User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is a ceramide that is the N-tetracosanoyl derivative of 4-hydroxyeicosasphinganine. It is a C20 phytoceramide and a N-(very-long-chain fatty acyl)-sphingoid base.
Assistant: This is a molecule that fits your description: CCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@H](O)[C@H](O)CCCCCCCCCCCCCCCC
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#}
CCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@H](O)[C@H](O)CCCCCCCCCCCCCCCC
CCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H]([C@@H](CCCCCCCCCCCCCCCC)O)O
N-[(2S,3S,4R)-1,3,4-trihydroxyicosan-2-yl]tetracosanamide
The molecule is a ceramide that is the N-tetracosanoyl derivative of 4-hydroxyeicosasphinganine. It is a C20 phytoceramide and a N-(very-long-chain fatty acyl)-sphingoid base.