CCOc1cccc2c1Oc1nc(-c3ccccc3)nc(SCC(=O)Nc3ccc(F)cc3)c1C2
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?