CC(C)CC1NC(=O)CCC(NC(=O)C(Cc2ccc(O)cc2)NC(=O)OCc2ccccc2)C(=O)NC(Cc2ccccc2)C(=O)NC(Cc2ccccc2)NC1=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?