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 histamine h3 receptor modulator. Please represent the molecule in SMILES.
user
CCC(=O)N1CCc2cc(C(=O)N3CCN(C4CCCC4)CC3)ccc2C1
assistant