You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is both a p2x3 antagonist and a pain treatment. Please write the SMILES representation of it.
user
CC(C)(C)c1ccc(Oc2cccc(CN(C(=O)c3cc(OC(=O)O)c(OC(=O)O)cc3OC(=O)O)C3CCCc4ccccc43)c2)cc1
assistant