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 pain treatment.
user
CC(=O)NCCNC(=O)c1nccc2c1CN(C(C)C(C=N)C1C(Cl)=C1OCC1CC1)C2=O
assistant