Cc1ccc2c(c1)/C(=C1\SC(N(C)c3ccc(O)cc3)=NC1=O)C(=O)N2
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?