You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a asthma treatment and belongs to the leukotriene antagonist class of molecules. Use the above information to create a molecule.
user
CCCCSC(CC(=O)OC)SCc1ccc2oc(-c3ccc4ccc(Cl)cc4n3)cc2c1
assistant