C[C@@H]1C[C@@H]2OC(=O)[C@]3(C)[C@H]2[C@@H](OC3(C)O)[C@]2(C)C(=O)C=C[C@H]12
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?