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 that fulfills the requirement: The molecule is a asthma treatment.
user
CCCCCCCCCCCCCCCCCCC(COC(C)=O)C(CBr)OP(=O)(OC(CBr)C(CCCCCCCCCCCCCCCCCC)COC(C)=O)OC(CBr)C(CCCCCCCCCCCCCCCCCC)COC(C)=O
assistant