Cc1cc2c3c([nH]c2cc1S(=O)(=O)N1CCC2(CC1)OCCO2)CCCC3=O
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?