Task: Please answer the following question about the molecule with SMILES [PbH4].
Description: Please describe this drug.
Completion: Plumbane is a hydride of lead. Lead is a heavy metal and stable element with the symbol Pb and the atomic number 82, existing in metallic, organic, and inorganic forms. It is mainly found in nature as the mineral galena (PbS), cerussite (PbCO3) or anglesite (PbSO4), usually in ore with zinc, silver, or copper. (L21)
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
[PbH4]
[PbH4]
plumbane
Please describe this drug.