You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a sting agonist.
user
CCc1nc(C)oc1C(=O)Nc1nc2cc(C(N)=O)cc3c2n1CC=CCn1c(N)nc2cc(C(=O)OC)cc(c21)OCCCO3
assistant