You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name tert-butyl (2R)-2-acetylsulfanylcarbonyl-2-[(2-aminoacetyl)-tert-butylamino]-4-methylpentanoate ?
user
C19H34N2O5S
assistant