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 pain treatment. Please write the SMILES representation of it.
user
CCC1=C(C(=O)O)C(C)=CC(N2CCOCC2)N1Cc1cccc(F)c1
assistant