COc1ccc(/C=C/C(=O)N[C@@H]2C(=O)N3[C@@H](C(=O)[O-])C(C)(C)S[C@H]23)cc1.[Na+]
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?