CN(CC(=O)Nc1cccc(F)c1)C(=O)CCc1nc(O)c2c3c(sc2n1)CCCC3
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?