You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a ec 3.1.1.8 (cholinesterase) inhibitor and a ec 3.1.1.7 (acetylcholinesterase) inhibitor, belonging to the agrochemical class of molecules. Please write the SMILES representation of it.
user
CCCCOCC(=O)O
assistant