CCN1CCN(Cc2ccc(NC(=O)c3cc(NC(=O)c4cc(-c5ccc(OC)cc5)[nH]n4)cc(OC)c3)cc2C(F)(F)F)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?