Question: How many aromatic rings does this compound have?
Constraint: The Molecule can be represented with the SMILES CCNc1cccnc1N1CCN(C(=O)c2cc3cc(OC)ccc3[nH]2)CC1.
Answer: 3
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CCNc1cccnc1N1CCN(C(=O)c2cc3cc(OC)ccc3[nH]2)CC1
CCNc1cccnc1N1CCN(C(=O)c2cc3cc(OC)ccc3[nH]2)CC1
[4-[3-(ethylamino)pyridin-2-yl]piperazin-1-yl]-(5-methoxy-1H-indol-2-yl)methanone
How many aromatic rings does this compound have?