O=C1[C@H]2C(c3ccccc3F)=NO[C@H]2C(=O)N1c1ccc(Cc2ccc(N3C(=O)[C@H]4ON=C(c5ccccc5F)[C@H]4C3=O)cc2)cc1
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?