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 both a anti tumor and a anti bodydrug conjugate. Please represent the molecule in SMILES.
user
CC(=CC(C(C)C)N(C)C(=O)C(NC(=O)C(N(C)C(=O)OC(C)(C)C)C(C)(C)c1ccccc1)C(C)(C)C)C(=O)NC(CCC(=O)ON1C(=O)CCC1=O)C(=O)OC(C)(C)C
assistant