COc1ccc(C2C(C#N)=C(S)N(C3OC(COC(C)=O)C(OC(C)=O)C(OC(C)=O)C3OC(C)=O)C(c3ccccc3)=C2C(C)=O)cc1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?