CCC1=C2CC[C@H]3C(=O)N(CC(=O)OC)C(=O)[C@H]3[C@H]2[C@@]2(C)C(=O)N(Cc3ccccc3)C(=O)N2C1=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?