You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a sting agonist. Please write the SMILES representation of it.
user
O=C(O)CCC(=O)c1nc2cc(F)c(C3CNC3c3cc4sc(C(=O)CCC(=O)O)nc4cc3F)cc2s1
assistant