User: I'm looking for the SMILES of a molecule that can be described by:
The molecule is a cationic sphingoid obtained by protonation of the amino group of C20 sphinganine; major species at pH 7.3. It is a conjugate acid of a C20 sphinganine.
Assistant: This is a molecule that fits this description: CCCCCCCCCCCCCCCCC[C@@H](O)[C@@H]([NH3+])CO
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#}
CCCCCCCCCCCCCCCCC[C@@H](O)[C@@H]([NH3+])CO
[(2S,3R)-1,3-dihydroxyicosan-2-yl]azanium
The molecule is a cationic sphingoid obtained by protonation of the amino group of C20 sphinganine; major species at pH 7.3. It is a conjugate acid of a C20 sphinganine.