CC(C)C(C(=O)N1CCC[C@@H]1C(=O)OCc1ccccc1)N(C)C(=O)C(C(C)C)N(C)C(=O)[C@H](Cc1ccccc1)N(C)C(=O)[C@H](NC(=O)OC(C)(C)C)C(C)C
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?