COc1ccc(N2CC(=O)N(C(=O)COc3ccc(OCC(=O)N4C(=O)CN(c5ccc(OC)cc5)C4=S)cc3)C2=S)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?