You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a asthma treatment member of the crth2 antagonist class.
user
Cc1c(Sc2ccccc2S(=O)(=O)N2CCOCC2)c2c(n1CC(=O)O)CCC(C)(C)C2=O
assistant