COC(=O)/C=C(/C=C1/C(C#N)=C(N)N(c2ccc(Cl)cc2)C1(C)/C(=C/C(=O)OC)C(=O)OC)C(=O)OC
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?