COc1ccc(Cn2cc(S(=O)(=O)c3ccc(Cl)cc3)c(=O)c3cc4c(cc32)OCO4)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?