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 pain treatment.
user
CCCOc1c2c(c(O)c3ccccc13)C(=O)N(c1ccc(C(CC)C(=O)O)c(F)c1)C2=O
assistant