Question: How many aromatic rings does this compound have?
 The Compound can be represented with the SMILES O=C([O-])CCNC(=O)c1ccc(/N=N/c2ccc(O)c(C(=O)[O-])c2)cc1.[Na+].[Na+].
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#}
O=C([O-])CCNC(=O)c1ccc(/N=N/c2ccc(O)c(C(=O)[O-])c2)cc1.[Na+].[Na+]
O=C([O-])CCNC(=O)c1ccc(/N=N/c2ccc(O)c(C(=O)[O-])c2)cc1.[Na+].[Na+]
disodium;5-[(E)-[4-[(3-oxidanidyl-3-oxidanylidene-propyl)carbamoyl]phenyl]diazenyl]-2-oxidanyl-benzoate
How many aromatic rings does this compound have?
2