Task: Please answer the following question about the molecule with SMILES CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O.
Question: How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?
Result: 0
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
3,7-dimethyl-1-(5-oxohexyl)purine-2,6-dione
How many hydrogen bond donors are there in this compound, calculated according to Lipinski's original rules (i.e., counting NH and OH groups)?