COc1ccc([C@H]2C[C@H](O)[C@@H](n3cc(COC(=O)c4ccccc4)nn3)CN2CC2CCCCC2)cc1
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?