C=C1C2CC[C@@]3(C)C(c4ccoc4)OC(=O)C[C@@]13OC1CC(=O)C(C)(C)C(C(OC(C)=O)C(=O)OC)[C@@]12C
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?