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: ... in general the methacrylic esters, polymerize much less readily than the corresponding ordinary acrylates. nonetheless, they are stabilized by adding hydroquinone or pyrogallol, particularly in the presence of metallic copper. methacrylates/ Hazardous decomposition products: carbon monoxide, carbon monoxide, carbon dioxide, silicon dioxide.
user
C=C(C)C(=O)OCCC[Si](OC)(OC)OC
assistant