Task: Answer the following question about the molecule with SMILES [Rb].
Request: Please describe this drug.
Completion: Rubidium is an element with atomic symbol Rb, atomic number 37, and atomic weight 85.468.
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
[Rb]
[Rb]
rubidium
Please describe this drug.