Cc1nn(-c2ccccc2)c2c1N(CCCC(=O)NCc1ccc(OC(C)C)cc1)C(=O)CS2
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?