COC(=O)c1c(NC(=O)/C=C/C(=O)O)sc(C)c1-c1ccc(C(C)C)cc1
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?