You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a sting agonist and belongs to the cancer treatment class of molecules. Use the above information to create a molecule.
user
Nc1nc2c(ncn2C2OC(CO)C(F)C2OP(O)(=S)OCC2OCC(F)(n3nnc4c(N)ncnc43)C2O)c(=O)[nH]1
assistant