CSc1ccc2c(c1)C(N1CCN(C)CC1)Cc1ccc(F)cc1S2.O=C(O)/C=C\C(=O)O
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?