COc1ccc(NC(=O)c2ccc(C/N=c3/c(O)c(O)/c3=N\C3CCCCC3)cc2)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?