C/C(CCN1CCc2nc(-c3ccccc3)c(-c3ccccc3)cc2C1)=N\O[C@@H](C)CN1CCCc2nc(C)c(C)cc21
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?