You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [(2S)-1-hydroxybutan-2-yl]-[(2R)-2-hydroxy-3-(2-methoxy-4-methoxycarbonylphenoxy)propyl]azanium using the IUPAC nomenclature.
user
C16H26NO6+
assistant