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: Methyl methacrylate, and 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/ When heated to decomp it emits acrid smoke and irritating fumes. The molecule has Faint characteristic odor of esters. Please write the SMILES representation of it.
user
C=C(C)C(=O)OCCCC
assistant