Question: How many hydrogen bond acceptors does this compound have?
 The Compound has the SMILES COc1cccc2nc(-c3cccs3)nc(NN3C(=O)C=C(C)C3=O)c12.
Result: 7
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
COc1cccc2nc(-c3cccs3)nc(NN3C(=O)C=C(C)C3=O)c12
COc1cccc2nc(-c3cccs3)nc(NN3C(=O)C=C(C)C3=O)c12
1-[[5-methoxy-2-(thiophen-2-yl)quinazolin-4-yl]amino]-3-methylpyrrole-2,5-dione
How many hydrogen bond acceptors does this compound have?