OC[C@@H]1CN(CCc2ccccc2)C[C@H](n2cnc3c(NCc4ccc(F)cc4)ncnc32)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?