Cc1ccc2c(Sc3ccc(Cl)cc3)c(C(=O)N3CCC(C)CC3)[nH]c2c1
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?