Cc1ncsc1C(=O)N1N=C2/C(=C/c3ccc(N4CCOCC4)cc3)CCCC2C1c1ccc(N2CCOCC2)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?