Task: Answer the following question about the molecule with SMILES Nc1nc2[nH]cnc2c(=S)[nH]1.
Request: How many rotatable bonds does this compound have?
Completion: 0
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
Nc1nc2[nH]cnc2c(=S)[nH]1
Nc1nc2[nH]cnc2c(=S)[nH]1
2-azanyl-1,9-dihydropurine-6-thione
How many rotatable bonds does this compound have?