Task: Answer the following question about the molecule with SMILES N[C@@H](CCC(=O)O)C(=O)O.
Question: How many hydrogen bond donors does this compound have?
Answer: 3
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
N[C@@H](CCC(=O)O)C(=O)O
N[C@@H](CCC(=O)O)C(=O)O
(2S)-2-aminopentanedioicacid
How many hydrogen bond donors does this compound have?