Cc1c(Cl)cccc1-n1ncc(C(=O)N2CCN(C)CC2)c1C1CCN(C(=O)OC(C)(C)C)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?