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 (5S,6R)-3-[(S)-[(E)-2-acetamidoethenyl]sulfinyl]-7-oxo-6-[(1S)-1-sulfooxyethyl]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid .
user
C13H16N2O9S2
assistant