Question: Please describe this drug.
 The Compound can be represented with the SMILES [133Xe].
Answer: Xenon Xe-133 is a radioisotope of xenon, an element with 54 protons, having gamma emissions and a physical half-life of 5.27 days. Xenon-133 is used in the study of pulmonary function and organ blood flow.
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
[133Xe]
[133Xe]
xenon-133
Please describe this drug.
Xenon Xe-133 is a radioisotope of xenon, an element with 54 protons, having gamma emissions and a physical half-life of 5.27 days. Xenon-133 is used in the study of pulmonary function and organ blood flow.