Task: Please answer the following question about the molecule with SMILES Cl.NNc1nncc2ccccc12.
Description: How many hydrogen bond donors does this compound have?
Answer: 2
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
Cl.NNc1nncc2ccccc12
Cl.NNc1nncc2ccccc12
phthalazin-1-ylhydrazine;hydrochloride
How many hydrogen bond donors does this compound have?
2