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: The molecule has Disagreeable odor like hydrogen sulfide. Decomposes slowly on standing at room temperature. ... the decomposition products are hydrogen and metallic antimony, generally deposited in the form of a mirror. Please represent the molecule in SMILES.
user
[SbH3]
assistant