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: The molecule is anti oselective. Please represent the molecule in SMILES.
user
CCC1(C(C)C(=O)O)CCC[N+]2=C1c1[nH]c3ccccc3c1CC2C(=O)O
assistant