You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: When heated to decompose it emits acrid smoke and fumes. The molecule has Odorless. Please write the SMILES representation of it.
user
COC1OC(C(=O)O)C(OC2OC(C(=O)OCC(C)O)C(C)C(O)C2O)C(O)C1O
assistant