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 anti asthmatic.
user
CC1Cc2c(OCc3ccc(-c4ccccc4)cn3)ccc3c2c(c(CC(C)(C)C(=O)O)n3Cc2ccc3c(c2)OCO3)S1
assistant