CC(=O)c1cccc(S(=O)(=O)N2CCCC(c3nc(O)c4nnn(Cc5cccc(Cl)c5)c4n3)C2)c1
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?