Cc1c(OCc2c(Cl)cccc2Cl)c(=O)ccn1-c1ncc(C(F)(F)F)cc1Cl
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?