You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: It belongs to the sting agonist class of molecules.
user
Nc1nc2c(nnn2C2OC(CO)C(F)C2OP(O)(=S)OCC2OC(n3cnc4c3NC=NC4N)C(F)C2O)c(=O)[nH]1
assistant