CN1C(=O)[C@@H]2CC3([C@@]45C[C@H]6C(=O)N(C)[C@@H](Cc7ccccc7)C(=O)N6[C@@H]4Nc4ccccc45)c4ccccc4N[C@H]3N2C(=O)[C@@H]1Cc1ccccc1
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?