CC(C)N(Cc1c(O)ccc2c(=O)c(-c3ccc(Cl)cc3)coc12)C(C)C
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?