Task: Answer the following question about the molecule with SMILES c1ncc2[nH]cnc2n1.
Question: Please describe this drug.
Result: Purine is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
c1ncc2[nH]cnc2n1
C1=C2C(=NC=N1)N=CN2
purine
Please describe this drug.
Purine is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).