CC[C@@H](C)[C@@H]1CN([C@@H](CN2CCC[C@H]2CN2C(N)=NC[C@H]2CC(C)C)C(C)C)C(=N)N1CCCC1CCCC1
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?