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: The molecule is a histone deacetylase inhibitor, a anti tumor agent, a hdac inhibitor, and anti tumor.
user
Cl.Cl.O=C(C=Cc1ccc(NC2CCCN(CC3CCCCC3)C2)nc1)NO
assistant