O=C(O)/C=C\C(=O)O.[N-]=[N+]=Nc1ccc2c(c1)Sc1ccccc1N2CCCCN1CCN(Cc2ccc(C(=O)c3ccccc3)cc2)CC1
Aromatic rings (also known as aromatic compounds or arenes) are hydrocarbons which contain benzene, or some other related ring structure. How many aromatic rings does the molecule contain?