C=C(C)[C@@H]1CC[C@@H](C)[C@](O)([C@@H]2C[C@@H]([C@H](COC(=O)c3ccccc3)OC(=O)c3ccccc3)OC2=O)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?