Question: How many aromatic rings does this compound have?
 The Compound has the SMILES COc1c2occc2cc2ccc(=O)oc12.
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#}
COc1c2occc2cc2ccc(=O)oc12
COc1c2occc2cc2ccc(=O)oc12
9-methoxyfuro[3,2-g]chromen-7-one
How many aromatic rings does this compound have?
3