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: When heated to decomposition it emits acrid smoke and irritating vapors. Please represent the molecule in SMILES.
user
CC(C)(C)c1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1
assistant