User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is a cationic sphingoid that is the conjugate acid of 3-dehydrosphinganine; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate acid of a 3-dehydrosphinganine.
Assistant: This is a molecule that fits your description: CCCCCCCCCCCCCCCC(=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#}
[(2S)-1-hydroxy-3-oxooctadecan-2-yl]azanium
The molecule is a cationic sphingoid that is the conjugate acid of 3-dehydrosphinganine; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate acid of a 3-dehydrosphinganine.