CCC(C(=O)N1CCN(c2ccccc2F)CC1)n1nc(C)c2sc3ccccc3c2c1=O
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?