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 a ccr1 antagonist. Please represent the molecule in SMILES.
user
Cc1ccc(C(=O)N(C)C)cc1NC(=O)N1CCCC1c1nnc(C)n1Cc1ccc(Cl)cc1
assistant