COC(=O)C[C@H]1c2ccccc2C2=C(C[C@@H](C)[C@H]3C(=O)N(c4ccccc4)C(=O)[C@@H]23)N1C(=O)OC
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?