Cc1c(OC(C)C(=O)N[C@@H](Cc2ccccc2)C(=O)O)ccc2c3c(c(=O)oc12)CCCC3
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?