CCOC(=O)C1N(S(=O)(=O)c2ccc(C)cc2)CCC12C(c1ccc(OC)cc1)NC1CCCCC12
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?