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 anti tumor and belongs to the cancer treatment class of molecules, with the characteristic of being anti tumor activity. Please represent the molecule in SMILES.
user
CC(=CC(C(C)C)N(C)C(=O)C(NC(=O)C1CCCCN1C(C)C)C(C)(C)C)C(=O)N1CCCC1C(=O)NCC(=O)OC(C)(C)C
assistant