You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-N-[(2S)-1-[(4-carbamimidoylphenyl)methylamino]-4-methylsulfanyl-1-oxobutan-2-yl]-3-hydroxy-2-[(2-methylphenyl)methylsulfonylamino]butanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H35N5O5S2
assistant