COCCC(=O)N1CCC(Oc2ccc(C(=O)N3C[C@@H]4CCC[C@H]3C4)cc2)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?