C[C@]12CCC3C(C1CC[C@@]2(O)C#Cc1ccc(CN)cc1)[C@@H](O)C=C1C[C@@H](O)CC[C@@]13C
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?