CC(C)(N)CO.CC(C)C1=CCC2C(=C1)CCC1C(C)(C(=O)O)CCCC21C
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?