CCOC(=O)Oc1c(OC)cc(C(=O)O[C@H]2C[C@H]3CN4CCc5c([nH]c6cc(OC)ccc56)[C@@H]4C[C@H]3[C@@H](C(=O)OC)[C@@H]2OC)cc1OC
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?