CCCCc1ccc(NC(=O)CSC2=C(C#N)C(c3ccco3)C3=C(O)CCCC3=N2)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?