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 decomposition it emits acrid smoke and irritating fumes. Please write the SMILES representation of it.
user
COC1CC(OC2CCC3(C)C(CCC4C3CCC3(C)C(C5=CC(=O)OC5)C(OC(C)=O)CC43O)C2)OC(C)C1O
assistant