O=C(N[C@H]1C/C=C\C[C@@H](CC(=O)N(CCO)Cc2ccccc2)C(=O)NC[C@H](c2ccccc2)OC1=O)OCC1c2ccccc2-c2ccccc21
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?