COc1ccc(CCNC(=O)c2cc(-c3ccc(C)cc3)nc3n[nH]c(-c4ccc(F)cc4)c23)cc1OC
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?