You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-3-[acetyl-[3-(4-carbamimidoylphenyl)-2,5-dioxopyrrolidin-1-yl]amino]-4-[[(S)-carboxy(phenyl)methyl]amino]-4-oxobutanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H25N5O8
assistant