You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a p2x3 antagonist.
user
CCOC(=O)CCn1c(=O)nc(Nc2ccc(OC(C)CC)c(Cl)c2)n(Cc2ccc(C)cc2)c1=O
assistant