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 cns disorder treatment and it impacts pain treatment.
user
CCN1CCC(NC(=O)C2Cc3ccccc3N2C(=O)CCN2CCC3(CCc4ccccc43)CC2)C1.Cl.Cl
assistant