You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a p2x3 antagonist.
user
Cc1ccc(-c2cc(OC(=O)NC(C)CO)cc(-n3nncc3C(C)C)c2)c(F)c1
assistant