CCCCNC(=O)O[C@H]1C[C@@H]2CCN3C(=O)CCC[C@@H]([C@H]23)[C@H]1Cc1ccccc1
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?