CC12CC(NC(=O)N1c1cccc(C(=O)NCc3ccc4c(c3)OCO4)c1)c1cc(Cl)ccc1O2
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?