You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is cancer treatment.
user
CNC(C)C(=O)NC(C(=O)N1CC(NC(=O)c2cccc(CN(C(=O)C3Cc4ccccc4CN3C(=O)C(NC(=O)C(C)NC)C(C)(C)C)C(COC)c3ccccc3)c2)CC1C(=O)NC1CCCc2ccccc21)C(C)(C)C
assistant