CCOC(=O)C1=CNS(=O)(=O)NC1c1ccc(C[C@H](NC(=O)CNC(=O)CCc2ccccc2)C(N)=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?