Cc1c(C(=O)N2CCCC2)oc2c1-c1nn(CC(=O)NC(C)c3ccccc3)cc1CC2
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?