CC(C)(C)OC(=O)N1CCC(Cc2cc(-c3ccc(Cl)cc3)no2)(C(=O)O)CC1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?