You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-acetamido-3-[[(2R)-2-acetamido-3-oxobutyl]disulfanyl]propanamide;methyl (2R)-2-acetamido-3-[[(2R)-2-acetamido-3-methoxy-3-oxopropyl]disulfanyl]propanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H39N5O10S4
assistant