You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is anti proliferative, anti bodydrug conjugate, and cancer treatment.
user
COc1ccc(C23Oc4cc(O)cc(OC)c4C2(O)CCC3c2ccccc2)cc1
assistant