Cc1nn(Cc2ccccc2)c(C)c1NC(=O)CSc1nc2c(c(C(F)(F)F)n1)CCc1ccccc1-2
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?