Task: Please answer the following question about the molecule with SMILES Cn1c(=O)c2c(ncn2CC(O)CO)n(C)c1=O.
Request: How many hydrogen bond donors does this compound have?
Result: 2
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
Cn1c(=O)c2c(ncn2CC(O)CO)n(C)c1=O
Cn1c(=O)c2c(ncn2CC(O)CO)n(C)c1=O
7-(2,3-dihydroxypropyl)-1,3-dimethylpurine-2,6-dione
How many hydrogen bond donors does this compound have?