CN(C)[C@H]1C(O)=C(C(=O)NCN2CCCC2)C(=O)[C@]2(O)C(O)=C3C(=O)c4c(O)cccc4[C@](C)(O)[C@H]3C[C@H]12
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?