Task: Answer the following question about the molecule with SMILES O=C1Nc2cc3[nH]nc(-c4ccncc4)c3cc2CN1Cc1ccccc1.
Request: What is the molecular formula of this compound, including any salt that it may have?
Result: C21H17N5O
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=C1Nc2cc3[nH]nc(-c4ccncc4)c3cc2CN1Cc1ccccc1
O=C1Nc2cc3[nH]nc(-c4ccncc4)c3cc2CN1Cc1ccccc1
6-benzyl-3-pyridin-4-yl-5,8-dihydro-1H-pyrazolo[4,3-g]quinazolin-7-one
What is the molecular formula of this compound, including any salt that it may have?
C21H17N5O