COc1ccc(CNC(=O)[C@@H]2CCCN2C(=O)[C@@H](C)N(C)C(=O)[C@H](C(C)C)N(C)C(=O)[C@@H](NC(=O)[C@H](C(C)C)N(Cc2ccccc2)Cc2ccccc2)C(C)C)c(OC)c1
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?