Question: Please describe this drug.
Description: The Molecule can be represented with the SMILES c1cncnc1.
Answer: Pyrimidine is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
c1cncnc1
C1=CN=CN=C1
pyrimidine
Please describe this drug.