Cc1nn(CCCC(=O)Nc2cccc(C(F)(F)F)c2)c(=O)c2nn(-c3ccccc3)c(C)c12
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?