C=CC(C)(C)N[C@@H](C(=O)N1CCC[C@H]1c1nc(-c2nc(C(=O)OCC=C(C)C)c(C)o2)c(C)o1)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?