Task: Answer the following question about the molecule with SMILES Cl.O=c1n(CCCN2CCN(c3cccc(Cl)c3)CC2)nc2ccccn12.
Question: What is the molecular formula of this compound, including any salt that it may have?
Result: C19H23Cl2N5O
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
Cl.O=c1n(CCCN2CCN(c3cccc(Cl)c3)CC2)nc2ccccn12
Cl.O=c1n(CCCN2CCN(c3cccc(Cl)c3)CC2)nc2ccccn12
2-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one;hydrochloride
What is the molecular formula of this compound, including any salt that it may have?