CC1CCC(NC(=O)CCS(=O)(=O)c2ccc3c(c2)CC(C)N3C(=O)C2CC2)CC1
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?