You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is both a anti tumor and a anti bodydrug conjugate.
user
CCCCN(C(=O)CNC(=O)C(NC)C(C)(C)C1CCCCC1)C(C=C(C)C(=O)O)C(C)C
assistant