You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a anti tussive.
user
COc1cccc(C23CCN(CC4CC4)CC2(OC(C)=O)CCC(NC(=O)CCCCCc2ccccc2)C3)c1
assistant