User: I'm looking for the SMILES of a molecule that can be described by:
The molecule is the stable isotope of xenon with relative atomic mass 128.904780, 26.4 atom percent natural abundance and nuclear spin 1/2. It is a xenon(0) and a xenon atom.
Assistant: This is a molecule that fits this description: [129Xe]
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#}
[129Xe]
xenon-129
The molecule is the stable isotope of xenon with relative atomic mass 128.904780, 26.4 atom percent natural abundance and nuclear spin 1/2. It is a xenon(0) and a xenon atom.