You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to the cancer treatment class of molecules. Please represent the molecule in SMILES.
user
O=C(OCCI)N1CCc2c([nH]c3ccc(Cl)cc23)C1c1ccc(OCCCCl)cc1
assistant