User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is the radioactive isotope of fluorine with relative atomic mass 18.000938. The longest-lived fluorine radionuclide with half-life of 109.77 min.
Assistant: This is a molecule that fits this description: [18FH]
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#}
fluorane
The molecule is the radioactive isotope of fluorine with relative atomic mass 18.000938. The longest-lived fluorine radionuclide with half-life of 109.77 min.