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 (5R,6S)-6-[(1R)-1-hydroxyethyl]-7-oxo-3-[[(2S)-pyrrolidin-2-yl]methyl]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid .
user
C14H20N2O4
assistant