CCCCCCCCCC[C@@H](OC(C)=O)[C@@H]1CC[C@@H]([C@@H]2CC[C@@H]([C@@H](O)CC#C/C=C/CCCCCCC[C@@]3(Sc4ccccc4)C[C@H](C)OC3=O)O2)O1
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?