Cn1c(=O)c2c(nc(NN/C=C3/C(=O)NC(=S)N(c4ccccc4)C3=O)n2C)n(C)c1=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?