COc1ccc(C[C@H](N)C(=O)N2C[C@@H](n3cnc4c(N(C)C)ncnc43)C[C@@H](CO)C2)cc1
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?