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: When heated to decomposition it emits acrid smoke and irritating fumes.
user
CC(=O)OC1CC2(O)C(CCC3(C)C(c4ccc(=O)oc4)CCC32O)C2(C)CCC(OC3OC(CO)C(O)C(O)C3O)C=C12
assistant