Cc1cc(NC(=O)Nc2ccc(-c3c(F)ccc4[nH]nc(N)c34)cc2)ccc1F
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?