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
CC1NNC=C(C(=O)NC2CC2)C(=O)N(CC(C)(C)C)C(O)=C1Br
assistant