COCCNC(=O)CSC1=N/C(=C/c2ccc(Cl)c(Cl)c2)C(=O)N1c1ccccc1F
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?