Question: How many aromatic rings does this compound have?
 The Molecule has the SMILES C=C1[C@H](CO)[C@@H](O)C[C@@H]1n1cnc2c(=O)[nH]c(N)nc21.
Answer: 2
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
C=C1[C@H](CO)[C@@H](O)C[C@@H]1n1cnc2c(=O)[nH]c(N)nc21
C=C1[C@H](CO)[C@@H](O)C[C@@H]1n1cnc2c(=O)[nH]c(N)nc21
2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one
How many aromatic rings does this compound have?
2