CCOC(=O)CC1C(=O)NCCN1c1nc2c(C)cccn2c(=O)c1/C=C1\SC(=S)N(C(C)CC)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?