You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(Z)-3-[(2R)-2-[(E,3S)-4-ethyl-3-hydroxynon-1-en-6-ynyl]-5-oxopyrrolidin-1-yl]prop-1-enyl]thiophene-2-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H29NO4S
assistant