[2H]c1c([2H])c([2H])c(C(=O)c2sc(N3CCCCCC3)nc2-c2ccccc2)c([2H])c1[2H]
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?