You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a anti tussive.
user
COc1ccc(C)c2c1OC1c3c(c4cccc5c4n3CCC5=O)CC3(O)C4C(CC213)N4CCc1ccccc1
assistant