CN(C)c1c(NC(=O)Cc2ccccc2)cccc1-c1nc2sccn2c1-c1ccnc(Nc2cccc(N3CCOCC3)c2)n1
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?