You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a bitter.
user
C[N+](C)(C)C(Cc1c[nH]c(=S)[nH]1)C(=O)[O-]
assistant