O=C(Cc1cccc(NC(=O)C2CCCN(C(=O)C3CCCC3)C2)c1)Nc1cccc(C(=O)N2CCCCC2)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?