Task: Please answer the following question about the molecule with SMILES COC(=O)/C=C/C(=O)O.
Request: How many hydrogen bond donors does this compound have?
Result: 1
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
COC(=O)/C=C/C(=O)O
COC(=O)/C=C/C(=O)O
(E)-4-methoxy-4-oxobut-2-enoic acid
How many hydrogen bond donors does this compound have?
1