Cc1ccc(S(=O)(=O)N(c2cc(Cl)c(O)c(Cl)c2)P(=O)(OC(C)C)OC(C)C)cc1
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?