Cc1oc2c(c(C)cc3oc(=O)c(CC(=O)NCCc4ccc(Cl)cc4)c(C)c32)c1C
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?