COc1cc(CN2CCNC(=O)C2CC(=O)N(Cc2nccn2C)C(C)C)cc(OC)c1
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?