COC(=O)/C=C(\S/C=C(/c1ccccc1)N1CCn2c(C(=O)c3ccccc3)c(C(=O)OC)c(C(=O)OC)c21)C(=O)OC
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?