User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is the radioactive isotope of silicon with relative atomic mass 31.974148. The longest-lived silicon radionuclide with half-life of 172 years.
Assistant: This is a molecule that fits your description: [32Si]
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#}
[32Si]
silicon-32
The molecule is the radioactive isotope of silicon with relative atomic mass 31.974148. The longest-lived silicon radionuclide with half-life of 172 years.