O=C(C/N=C(\CN(c1ccccc1)c1ccccc1)Oc1c(Cl)cc(Cl)cc1Cl)N1c2ccccc2Sc2ccccc21
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?