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 that impacts pain treatment.
user
O=C(O)c1cc(C(=O)O)c(C(=O)N(Cc2ccc(-c3ccccc3)cc2)C2CCCc3ccccc32)cc1C(=O)O
assistant