COC(CN(C)C(=O)c1cn(C)c2ccc(S(=O)(=O)N(C)C3CCCCC3)cc2c1=O)OC
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?