CC1CCc2nc3ccc(S(=O)(=O)N4CCC(C(=O)NC(C)c5ccccc5)CC4)cc3c(C(=O)O)c2C1
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?