COc1ccccc1/C=C/c1onc(C)c1S(=O)(=O)N1CCC(C(=O)NC2CCCCCC2)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?