You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4-nitrophenyl)methyl (4R,5S,6S)-3-[(3S,5S)-5-[4-(2-carbamoyloxyethyl)-1,4-diazepane-1-carbonyl]-1-[(4-nitrophenyl)methoxycarbonyl]pyrrolidin-3-yl]sulfanyl-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H45N7O13S
assistant