CC(C)CCCC(C)[C@H]1CCC2[C@@H]3CCC4Cc5nc6c(nc5C[C@]4(C)C3CC[C@@]21C)CC1CC[C@@H]2C(CC[C@@]3(C)C2CC[C@@H]3O)[C@@]1(C)C6
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?