You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a opioid analgesic. It belongs to the mu-opioid receptor agonist class of molecules. When heated to decomposition it emits toxic fumes of nitrogen oxides/
user
CN(C)CCC=C1c2ccccc2CCc2ccccc21
assistant