CC(=O)Nc1ccc(N2C(=O)/C(=C\c3cccc(Oc4ccccc4)c3)SC2c2ccccc2)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?