C=C(C)[C@]12C[C@@H](C)[C@@]34OC(Cc5ccccc5)(O[C@@H]1[C@@H]3C=C(COC(=O)Cc1cc(I)c(O)c(OC)c1)C[C@]1(O)C(=O)C(C)=C[C@H]14)O2
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?