CCOC(=O)[C@]1(OC(C)=O)C[C@H](OC(C)=O)[C@@H](C(F)COP(=O)(OCc2ccccc2)OCc2ccccc2)O1
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?