You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a hsp90 inhibitor and is cancer treatment.
user
COc1cc(-c2nc(N)nc3c2CN(Cc2ccccc2C#N)C3)c(Cl)cc1Br
assistant