Q: How many hydrogen bond donors does this compound have?
Description: The Chemical can be represented with the SMILES CCCCCCCCC=CCCCCCCC(O)C(=O)O.
Result: 2
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CCCCCCCCC=CCCCCCCC(O)C(=O)O
CCCCCCCCC=CCCCCCCC(O)C(=O)O
2-hydroxyoctadec-9-enoicacid
How many hydrogen bond donors does this compound have?