CC1CCCCN1S(=O)(=O)c1ccc(C(=O)N(CCCN(C)C)c2nc3cc4c(cc3s2)OCO4)cc1.Cl
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?