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 anti tumor and pharmaceutical, belonging to the drug class of molecules, and it impacts both hypocalcemia and vomiting. The molecule is a chelator and a food and nutrition, belonging to the anti neoplastic agent class of molecules. When heated to decomposition it emits very toxic fumes of nitrogen oxides and sulfur oxides. The molecule is both a bone density conservation agent and a chelating agent.
user