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: Methyl methacrylate, and in general the methacrylic esters, polymerize much less readily than the corresponding ordinary acrylates. none the less, they are stabilized by adding hydroquinone or pyrogallol, particularly in the presence of metallic copper. methacrylates/ When heated to decomp it emits acrid smoke and fumes. Please represent the molecule in SMILES.
user
C=C(C)C(=O)OCCCCCCCCCCCC
assistant