CO/N=C\c1ccc(C(=O)N2[C@H](C(=O)OC)CC[C@H](C)[C@H]2c2ccc(C)cc2)cc1
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?