You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a crth2 antagonist.
user
CCOC(=O)COc1ccc(Cl)c2c1c(C)c(Cc1ccc(Cl)cc1)c(=O)n2C
assistant