You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the crth2 antagonist class of molecules. Please represent the molecule in SMILES.
user
CCc1nn(C(C)c2ccc(CNc3ccc(C(F)(F)F)cc3)cc2)c(CC)c1CC(=O)O
assistant