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: Decomposition half-time (22 °c) 96 hr at ph 4; 81 hr at ph 7; 8 hr at ph 9.
user
c1ncn([Sn](C2CCCCC2)(C2CCCCC2)C2CCCCC2)n1
assistant