Task: Answer the following question about the molecule with SMILES O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1.
Request: How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?
Answer: 4
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
7-bromo-5-pyridin-2-yl-1,3-dihydro-1,4-benzodiazepin-2-one
How many hydrogen bond acceptors are there in this compound, calculated according to Lipinski's original rules (i.e., counting N and O atoms)?