Question: Determine if this drug is administered as a racemic mixture, a single stereoisomer, an achiral molecule, or has an unknown chirality.
 The Molecule can be represented with the SMILES CCCOCCn1c(=O)c(N2CCN(CCO)CC2)nc2cnc(-c3ccc(OC)nc3)cc21.
Answer: Unknown chirality
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CCCOCCn1c(=O)c(N2CCN(CCO)CC2)nc2cnc(-c3ccc(OC)nc3)cc21
CCCOCCn1c(=O)c(N2CCN(CCO)CC2)nc2cnc(-c3ccc(OC)nc3)cc21
3-[4-(2-hydroxyethyl)piperazin-1-yl]-7-(6-methoxypyridin-3-yl)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2-one
Determine if this drug is administered as a racemic mixture, a single stereoisomer, an achiral molecule, or has an unknown chirality.