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: The molecule is a cancer treatment. Please represent the molecule in SMILES.
user
O=C(C1CN(C2c3ccc(Cl)cc3CCc3cc(Br)cnc32)CCN1C(=O)O)N1CCC(CCCn2ccnc2)CC1
assistant