You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[(2R)-1-[[2-[[(3S)-1-carbamimidoyl-2-hydroxypiperidin-3-yl]amino]-2-oxoethyl]amino]-3-(1-carbamimidoylpiperidin-4-yl)-1-oxopropan-2-yl]sulfamoylmethyl]benzoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H39N9O7S
assistant