C[C@H](O)C#Cc1ccc2c(c1)O[C@@H](CN(C)Cc1ccc(-c3ccccc3)cc1)[C@H](C)CN([C@@H](C)CO)S2(=O)=O
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?