CC1CCC2C(=O)N3C(CCC(C)C3c3ccccc3Br)C(=O)N2C1c1ccc(C#CCN(C)C)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?