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: The molecule is a p2x3 antagonist.
user
CC(Cn1c(=O)nc(Nc2ccc(Oc3nccs3)cc2)n(Cc2ccc(Cl)cc2)c1=O)C(=O)O
assistant