You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the anti proliferative class of molecules.
user
Cc1nn2c(=O)n(Cc3ccccc3)c(C(C(C)C)N(CCCN)C(=O)c3ccc(Br)cc3)cc2c1Br
assistant