You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2S)-2-hydroxy-2,4-dimethyl-5-[(2Z,4E,6S,8S)-4,6,8-trimethylundeca-2,4-dien-2-yl]furan-3-one .
user
C20H32O3
assistant