CCOC(=O)c1cc(-c2ccc(/C=C3/C(=O)N(c4ccc(C(=O)O)cc4)N=C3C)o2)ccc1Cl
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?