You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(2R)-1-(methoxycarbonylamino)-1-oxopropan-2-yl]-[(1R)-2-methyl-1-[4-(2-methylpropyl)phenyl]propyl]azanium into its molecular formula.
user
C19H31N2O3+
assistant