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 a anti tumor and belongs to the anti bodydrug conjugate class of molecules.
user
CCC1(O)C(=O)OCc2c1cc1n(c2=O)Cc2c-1nc1cc(F)c(C)c3c1c2C(NC(=O)C(C)CNC(=O)CNC(=O)C(Cc1ccccc1)NC(=O)CNC(=O)CN)CC3
assistant