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 (4-methoxy-3-methoxycarbonylphenyl)methyl-[(1R)-2-(methylcarbamoylamino)-2-oxo-1-phenylethyl]azanium using the IUPAC nomenclature.
user
C20H24N3O5+
assistant