CC(=O)Nc1ccc(NC(=O)C23CC4CC(C2)CC(n2cnc(Br)n2)(C4)C3)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?