CC(OC(=O)CCNC1=NS(=O)(=O)c2ccccc21)C(=O)Nc1ccc(S(N)(=O)=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?