CC(C)(C)OC(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CO)[C@H](O)[C@@H]1C[C@@H]1C(=O)NC1CCCCC1
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?