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 based on this description: It belongs to the p2x3 antagonist class of molecules.
user
CC=Cc1ccc(Cn2c(Nc3ccc(OC(C)C)cc3)nc(=O)n(CC(C)C(=O)O)c2=O)cc1
assistant