CC(=O)O[C@H]1C[C@@H](OC(C)=O)[C@@](C)(O)[C@@H]2[C@@H](OC(C)=O)[C@@]3(O)[C@H](/C=C(/CO)[C@H]4O[C@H]4[C@@H](OC(C)=O)[C@@]12C)OC(=O)[C@@H]3C
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?