You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-3-methyl-3-sulfanyl-2-[[4-[[(2S)-2,5,6-triamino-6-oxohexanoyl]amino]phenyl]methoxycarbonylamino]butanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H29N5O6S
assistant