You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a p2x3 antagonist.
user
CCOC(=O)C1(Cn2c(=O)nc(Nc3ccc(OC(C)C)cc3)n(Cc3ccc(Cl)cc3)c2=O)CC1
assistant