You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2R)-1-amino-3-methyl-1-oxobutan-2-yl]-hydroxy-(2-methoxyphenyl)sulfonyl-(3-morpholin-4-yl-3-oxopropyl)azanium into molecular formula.
user
C19H30N3O7S+
assistant