Cc1ccc(S(=O)(=O)CN2C(=O)C(c3ccccc3)(c3ccccc3)C23OC(c2ccc(Cl)cc2)=CC3=O)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?