You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the pain treatment class of molecules. Please represent the molecule in SMILES.
user
COC(=O)c1cccc(CN2C(=O)C3(COc4cc(O)c(O)cc43)c3ccccc32)c1
assistant