Question: How many hydrogen bond donors does this compound have?
Constraint: The Chemical has the SMILES O=C1CCc2ccc(OCCCCN3CCN(c4cccc5ccccc45)CC3)nc2N1.
Result: 1
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O=C1CCc2ccc(OCCCCN3CCN(c4cccc5ccccc45)CC3)nc2N1
O=C1CCc2ccc(OCCCCN3CCN(c4cccc5ccccc45)CC3)nc2N1
7-[4-(4-naphthalen-1-ylpiperazin-1-yl)butoxy]-3,4-dihydro-1H-1,8-naphthyridin-2-one
How many hydrogen bond donors does this compound have?