You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(1R)-1-[4-methyl-5-[2-oxo-2-[[(1R)-1-phenylethyl]amino]ethyl]sulfanyl-1,2,4-triazol-3-yl]ethyl]benzamide into molecular formula.
user
C22H25N5O2S
assistant