CCN(CC)S(=O)(=O)c1ccc2nc(O)cc(C(=O)Nc3ccc(C)c(S(=O)(=O)N(CC)CC)c3)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?