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
COC(=O)C(C)NP(=O)(OCC1OC(n2cc(C=CBr)c(=O)[nH]c2=O)CC1O)Oc1ccc(Cl)cc1
assistant