CN1C[C@H](C(=O)NC2(C)OC3(O)[C@@H]4CCCN4C(=O)[C@H](Cc4ccccc4)N3C2=O)CC2c3cccc4[nH]cc(c34)C[C@H]21.CS(=O)(=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?