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: Dt50 (est.) 107 days (ph 4), 46 days (ph 7), 2 days (ph 9) (22 °c).
user
CCS(=O)CCSP(=O)(OC)OC
assistant