CC(=O)NC12CC3CC(C1)CC(C(=O)N1CCN(C(=O)c4ccco4)CC1)(C3)C2
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?