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. Use the above information to create a molecule.
user
CCn1nc(C)c(F)c1C(=O)Nc1nc2cc(C(=O)O)cc3c2n1CCCOC(C)CCO3
assistant