CCC(C)C(NC(=O)C(CC(C)C)NC(=O)CNC(=O)C(NC(=O)C1CCCN1C(=O)C(CC(C)C)NC(=O)C(N)Cc1ccccc1)C(C)CC)C(=O)NC(CC(C)C)C(N)=O
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?