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 histamine h3 receptor modulator. Please write the SMILES representation of it.
user
CC(C)N(C)C(=O)c1ccc(N2CCC3(CC2)CCN(C2CCC2)CC3)cc1
assistant