O=c1[nH]c(=O)n(Cc2ccco2)c2c1C(C(F)(F)F)(C(F)(F)F)NC(c1ccco1)=N2
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?