Cc1c[nH]c2nccc(Oc3c(F)cc(Nc4cc(Cl)nc(N)n4)cc3F)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?