You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a anti tumor and belongs to the anti bodydrug conjugate class of molecules.
user
CCC1(O)C(=O)OCc2c1cc1n(c2=O)Cc2c-1nc1cccc3c1c2C(N)CC3
assistant