COc1ccc(C(C)=O)cc1Cn1c(C)c(C(=O)NCc2cccc(Cl)c2)sc1=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?