You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (6S)-6-[2-(acetyloxymethyl)-4-[3-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]propyl]phenoxy]-4-hydroxyoxane-2-carboxylic acid;ethane .
user
C31H44N2O12
assistant