C=CCOC(=O)C1=C(C)N=C2SCCC(=O)N2C1/C=C/c1ccccc1OC
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?