O=C(NCc1cccc(Cl)c1)c1ccc(N2CC3CC(C2)c2cccc(=O)n2C3)c(NC(=O)c2cccnc2)c1
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?