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
COc1ccc2c(CCc3cc(OC)n4ncc(C(C)(C)C)c4c3)cnn2c1
assistant