CC(C)(C)OC(=O)NC(Cc1ccc(OCc2ccccc2)cc1)C(=O)NC(COCc1ccccc1)C(=O)Oc1c(Cl)c(Cl)c(Cl)c(Cl)c1Cl
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?