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 tumor treatment class of molecules. Please represent the molecule in SMILES.
user
COC(=O)C1CCCCN1Cc1cc([N+](=O)[O-])c(OCc2cccc(-c3ccccc3)c2Br)cc1OCc1ccc2nonc2c1.Cl
assistant