You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): It belongs to the asthma treatment class of molecules.
user
COCCNC(=O)CCCC=CCC1C(OCc2ccc(-c3ccccc3)cc2)CC(O)C1N1CCOCC1
assistant