You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a anti cancer and is anti bodydrug conjugate.
user
CCOC(=O)OCC(=O)C1(O)Cc2c(O)c3c(c(O)c2C(OC2CC4C(OC5C(OC)OCCN45)C(C)O2)C1)C(=O)c1c(OC)cccc1C3=O
assistant