Cc1ccc(OCc2nc(-c3ccc(C(=O)N4CCN(c5cc(Cl)ccc5C)CC4)cc3)oc2C)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?