CC(=O)OCC1OC(NC(=S)N/N=C2\CC(c3ccccc3)Oc3ccccc32)C(OC(C)=O)C(OC(C)=O)C1OC(C)=O
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?