CSc1nc(NC2OCC(OC(C)=O)C(OC(C)=O)C2OC(C)=O)c(/N=C\C=N\c2c(NC3OCC(OC(C)=O)C(OC(C)=O)C3OC(C)=O)nc(SC)[nH]c2=O)c(=O)[nH]1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?